APA استشهاد

Eastwood, M. (2003). Principles of human nutrition (2nd ed.). Blackwell Science.

استشهاد بنمط شيكاغو

Eastwood, Martin. Principles of Human Nutrition. 2nd ed. U. K.: Blackwell Science, 2003.

MLA استشهاد

Eastwood, Martin. Principles of Human Nutrition. 2nd ed. Blackwell Science, 2003.