APA (7e ed.) Bronvermelding

Bakker,Peter, Doorne,Hans Van, Gooskens,vincent, & Wieringa,Nicolien. (1991). Dermatological preparations for the tropics: A formulary of dermatological preparations and backgrounds of choices, production and dispensing. University of Groningen.

Chicago (17e ed.) Bronvermelding

Bakker,Peter, Doorne,Hans Van, Gooskens,vincent, en Wieringa,Nicolien. Dermatological Preparations for the Tropics: A Formulary of Dermatological Preparations and Backgrounds of Choices, Production and Dispensing. Netherlands: University of Groningen, 1991.

MLA (8e ed.) Bronvermelding

Bakker,Peter, et al. Dermatological Preparations for the Tropics: A Formulary of Dermatological Preparations and Backgrounds of Choices, Production and Dispensing. University of Groningen, 1991.