APA
EUGENE WILLIS, WILLIAM HOFFMAN D. M. E. A., . (2007). WEST FEDERAL TAXATION. NEW YORK: THOMSON.
Chicago
EUGENE WILLIS, WILLIAM HOFFMAN DAVID MALONEY ET AL, . 2007. WEST FEDERAL TAXATION. NEW YORK: THOMSON.
Harvard
EUGENE WILLIS, WILLIAM HOFFMAN D. M. E. A., . (2007). WEST FEDERAL TAXATION. NEW YORK: THOMSON.
MLA
EUGENE WILLIS, WILLIAM HOFFMAN DAVID MALONEY ET AL, . WEST FEDERAL TAXATION. NEW YORK: THOMSON. 2007.