APA استشهاد

Gemmell, A. R. (1969). Developmental plant anatomy. Edward Arnold.

استشهاد بنمط شيكاغو

Gemmell, Alan R. Developmental Plant Anatomy. New Delhi: Edward Arnold, 1969.

MLA استشهاد

Gemmell, Alan R. Developmental Plant Anatomy. Edward Arnold, 1969.