Spohn, J. E. (1978). Pictorial restoration: The history, ethics, materials, and techniques. [J.E. Spohn].
Chicago-стиль цитированияSpohn, Jennifer Elizabeth. Pictorial Restoration: The History, Ethics, Materials, and Techniques. Florence: [J.E. Spohn], 1978.
MLA-цитированиеSpohn, Jennifer Elizabeth. Pictorial Restoration: The History, Ethics, Materials, and Techniques. [J.E. Spohn], 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.