APA

DIRECTORATE FOR EDUCATIONAL INFORMATION A. O. E. S. O. T. G. D. R., . (1974). EDUCATIONAL DOCUMENTATION AND INFORMATION:EVALUATION OF ACHIEVEMENT IN SOCIALIST COUNTRIES OF EASTERN UUROPE: BULLETIN OF THE INTERNATIONAL BUREAU OF EDUCATION. PARIS: UNTED NATIONS EDUCATIONAL, SCIENTIFIC AD CULTURAL ORGANIZATION.

Chicago

DIRECTORATE FOR EDUCATIONAL INFORMATION ACADEMY OF EDUCATIONAL SCIENCES OF THE GERMAN DEMOCRATIC REPUBLIC, . 1974. EDUCATIONAL DOCUMENTATION AND INFORMATION:EVALUATION OF ACHIEVEMENT IN SOCIALIST COUNTRIES OF EASTERN UUROPE: BULLETIN OF THE INTERNATIONAL BUREAU OF EDUCATION. PARIS: UNTED NATIONS EDUCATIONAL, SCIENTIFIC AD CULTURAL ORGANIZATION.

Harvard

DIRECTORATE FOR EDUCATIONAL INFORMATION A. O. E. S. O. T. G. D. R., . (1974). EDUCATIONAL DOCUMENTATION AND INFORMATION:EVALUATION OF ACHIEVEMENT IN SOCIALIST COUNTRIES OF EASTERN UUROPE: BULLETIN OF THE INTERNATIONAL BUREAU OF EDUCATION. PARIS: UNTED NATIONS EDUCATIONAL, SCIENTIFIC AD CULTURAL ORGANIZATION.

MLA

DIRECTORATE FOR EDUCATIONAL INFORMATION ACADEMY OF EDUCATIONAL SCIENCES OF THE GERMAN DEMOCRATIC REPUBLIC, . EDUCATIONAL DOCUMENTATION AND INFORMATION:EVALUATION OF ACHIEVEMENT IN SOCIALIST COUNTRIES OF EASTERN UUROPE: BULLETIN OF THE INTERNATIONAL BUREAU OF EDUCATION. PARIS: UNTED NATIONS EDUCATIONAL, SCIENTIFIC AD CULTURAL ORGANIZATION. 1974.