APA (7e ed.) Bronvermelding

Crowe, F., Steur, M., Allen, N., Appleby, P., Travis, R., & Key, T. (2010). Plasma concentrations of 25-hydroxyvitamin D in meat eaters, fish eaters, vegetarians and vegans: Results from the EPIC-Oxford study.

Chicago (17e ed.) Bronvermelding

Crowe, F., M. Steur, N. Allen, P. Appleby, R. Travis, en T. Key. Plasma Concentrations of 25-hydroxyvitamin D in Meat Eaters, Fish Eaters, Vegetarians and Vegans: Results from the EPIC-Oxford Study. 2010.

MLA (9e ed.) Bronvermelding

Crowe, F., et al. Plasma Concentrations of 25-hydroxyvitamin D in Meat Eaters, Fish Eaters, Vegetarians and Vegans: Results from the EPIC-Oxford Study. 2010.