Liebson, M. (2001). Direct stone sculpture: A guide to technique and creativity (Revised and expanded second edition.). Schiffer Publishing.
Цитирование в стиле Чикаго (17-е изд.)Liebson, Milt. Direct Stone Sculpture: A Guide to Technique and Creativity. Revised and expanded second edition. Atglen, PA: Schiffer Publishing, 2001.
Цитирование MLA (9-е изд.)Liebson, Milt. Direct Stone Sculpture: A Guide to Technique and Creativity. Revised and expanded second edition. Schiffer Publishing, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.