APA (7e ed.) Bronvermelding

Friedl, O. (2004). The Zhou Brothers, 30 Years of Collaboration: [ed. by Oskar Friedl]. Hatje Cantz Verlag.

Chicago (17e ed.) Bronvermelding

Friedl, Oskar. The Zhou Brothers, 30 Years of Collaboration: [ed. by Oskar Friedl]. Ostfildern-Ruit: Hatje Cantz Verlag, 2004.

MLA (8e ed.) Bronvermelding

Friedl, Oskar. The Zhou Brothers, 30 Years of Collaboration: [ed. by Oskar Friedl]. Hatje Cantz Verlag, 2004.