APA استشهاد

C.R. Austin. (1972). Book I Germ Cells and Fertilization. CAMBRIDGE UNIVERSITY PRESS.

استشهاد بنمط شيكاغو

C.R. Austin. Book I Germ Cells and Fertilization. CAMBRIDGE UNIVERSITY PRESS, 1972.

MLA استشهاد

C.R. Austin. Book I Germ Cells and Fertilization. CAMBRIDGE UNIVERSITY PRESS, 1972.