Spitzing, G. (1974). The photoguide to enlarging. Cacho Hermanos.
Chicagoスタイル(17版)引用形式Spitzing, Gunter. The Photoguide to Enlarging. Mandaluyong, Rizal: Cacho Hermanos, 1974.
MLA(9版)引用形式Spitzing, Gunter. The Photoguide to Enlarging. Cacho Hermanos, 1974.
警告: この引用は必ずしも正確ではありません.