APA (7e ed.) Bronvermelding

Kader, A. A., & Cantwell, A. (2010). Produce quality rating scales and color charts (1a. ed.). Postharvest Technology Center Universidad de California.

Chicago (17e ed.) Bronvermelding

Kader, Adel A., en Anita Cantwell. Produce Quality Rating Scales and Color Charts. 1a. ed. Davis: Postharvest Technology Center Universidad de California, 2010.

MLA (9e ed.) Bronvermelding

Kader, Adel A., en Anita Cantwell. Produce Quality Rating Scales and Color Charts. 1a. ed. Postharvest Technology Center Universidad de California, 2010.