APA (7th ed.) Citation

H. C. Buckle, L. Lundie, & I. Treadwell. (1996). Professionele geheimhouding. AOSIS.

Chicago Style (17th ed.) Citation

H. C. Buckle, L. Lundie, and I. Treadwell. Professionele Geheimhouding. AOSIS, 1996.

MLA (9th ed.) Citation

H. C. Buckle, et al. Professionele Geheimhouding. AOSIS, 1996.