Liebson, M. (2001). Direct stone sculpture: A guide to technique and creativity (Revised and expanded second edition.). Schiffer Publishing.
Citação do estilo Chicago (17ª ed.)Liebson, Milt. Direct Stone Sculpture: A Guide to Technique and Creativity. Revised and expanded second edition. Atglen, PA: Schiffer Publishing, 2001.
Citação MLA (9ª ed.)Liebson, Milt. Direct Stone Sculpture: A Guide to Technique and Creativity. Revised and expanded second edition. Schiffer Publishing, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.