APA (7e ed.) Bronvermelding

Watterson, A. (1991). Pesticides and your food. Green Print.

Chicago (17e ed.) Bronvermelding

Watterson, Andrew. Pesticides and Your Food. London: Green Print, 1991.

MLA (8e ed.) Bronvermelding

Watterson, Andrew. Pesticides and Your Food. Green Print, 1991.