Não informado. (1979). Darkroom photography. Photography Instructors Association.
Chicagoスタイル(17版)引用形式Não informado. Darkroom Photography. Beverly Hills, Calif: Photography Instructors Association, 1979.
MLA(8版)引用形式Não informado. Darkroom Photography. Photography Instructors Association, 1979.
警告: この引用は必ずしも正確ではありません.