APA
GILLESPIE RONALD J, HUMPREYS DAVIS A, . (1989). CHEMISTRY. NEW JERSEY: PRENTTICE HALL.
Chicago
GILLESPIE RONALD J, HUMPREYS DAVIS A, . 1989. CHEMISTRY. NEW JERSEY: PRENTTICE HALL.
Harvard
GILLESPIE RONALD J, HUMPREYS DAVIS A, . (1989). CHEMISTRY. NEW JERSEY: PRENTTICE HALL.
MLA
GILLESPIE RONALD J, HUMPREYS DAVIS A, . CHEMISTRY. NEW JERSEY: PRENTTICE HALL. 1989.