APA استشهاد

Delvin, S. (1999). Problems in organic chemistry. Sarup & Sons.

استشهاد بنمط شيكاغو

Delvin, Samuel. Problems in Organic Chemistry. New Delhi: Sarup & Sons, 1999.

MLA استشهاد

Delvin, Samuel. Problems in Organic Chemistry. Sarup & Sons, 1999.