Harrison, H. (1999). Drawing with pencils & pastel: Practical handbook. Lorenz Books.
Chicagoスタイル(17版)引用形式Harrison, Hazel. Drawing with Pencils & Pastel: Practical Handbook. London: Lorenz Books, 1999.
MLA(9版)引用形式Harrison, Hazel. Drawing with Pencils & Pastel: Practical Handbook. Lorenz Books, 1999.
警告: この引用は必ずしも正確ではありません.