APA استشهاد

C.R AUSTIN. (1972). Book 2 Embroyinic and Fetal Development. CAMBRIDGE UNIVERCITY PRESS.

استشهاد بنمط شيكاغو

C.R AUSTIN. Book 2 Embroyinic and Fetal Development. CAMBRIDGE UNIVERCITY PRESS, 1972.

MLA استشهاد

C.R AUSTIN. Book 2 Embroyinic and Fetal Development. CAMBRIDGE UNIVERCITY PRESS, 1972.