एपीए उद्धरण

Nordin, B. E., & Heaney, R. P. (1990). Calcium supplementation of the diet: Justified by present evidence.

शिकागो स्टाइल उद्धरण

Nordin, B E., और R P. Heaney. Calcium Supplementation of the Diet: Justified By Present Evidence. 1990.

एमएलए उद्धरण

Nordin, B E., और R P. Heaney. Calcium Supplementation of the Diet: Justified By Present Evidence. 1990.