Cita APA (7th ed.)

Liebson, M. (2001). Direct stone sculpture: A guide to technique and creativity (Revised and expanded second edition.). Schiffer Publishing.

Cita Chicago (17th ed.)

Liebson, Milt. Direct Stone Sculpture: A Guide to Technique and Creativity. Revised and expanded second edition. Atglen, PA: Schiffer Publishing, 2001.

Cita MLA (9th ed.)

Liebson, Milt. Direct Stone Sculpture: A Guide to Technique and Creativity. Revised and expanded second edition. Schiffer Publishing, 2001.