Dyfyniad APA

Witkin, L. D. (1979). The photograph collector's guide. Graphic Society.

Dyfyniad Arddull Chicago

Witkin, Lee D. The Photograph Collector's Guide. Graphic Society, 1979.

Dyfyniad MLA

Witkin, Lee D. The Photograph Collector's Guide. Graphic Society, 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.