APA (7e ed.) Bronvermelding

Facts and Comparisons (Firm). (2000). The Review of natural products: The most complete source of natural product information, 2001. Facts and Comparisons.

Chicago (17e ed.) Bronvermelding

Facts and Comparisons (Firm). The Review of Natural Products: The Most Complete Source of Natural Product Information, 2001. St. Louis, Mo: Facts and Comparisons, 2000.

MLA (8e ed.) Bronvermelding

Facts and Comparisons (Firm). The Review of Natural Products: The Most Complete Source of Natural Product Information, 2001. Facts and Comparisons, 2000.