APA (7. basım) Alıntı

(2014). Ralf Peters: Keen insight. Bernhard Knaus Fine Art.

Chicago Style (17. basım) Atıf

Ralf Peters: Keen Insight. Frankfurt am Main: Bernhard Knaus Fine Art, 2014.

MLA (8th ed.) Atıf

Ralf Peters: Keen Insight. Bernhard Knaus Fine Art, 2014.