APA (7e ed.) Bronvermelding

(2009). Drug facts and comparisons 2009 (63rd ed.). Facts and Comparisons.

Chicago (17e ed.) Bronvermelding

Drug Facts and Comparisons 2009. 63rd ed. St. Louis: Facts and Comparisons, 2009.

MLA (9e ed.) Bronvermelding

Drug Facts and Comparisons 2009. 63rd ed. Facts and Comparisons, 2009.