Smith, J. A. (1992). The pen & ink book: Materials and techniques for today's artist. Watson-Guptill Publications.
Cita Chicago Style (17a ed.)Smith, Joseph A. The Pen & Ink Book: Materials and Techniques for Today's Artist. New York: Watson-Guptill Publications, 1992.
Cita MLA (8a ed.)Smith, Joseph A. The Pen & Ink Book: Materials and Techniques for Today's Artist. Watson-Guptill Publications, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.