Gaya APA
Sidaway, I. (2001).
Creative Pen & Ink Techniques: 15 inspiring step by step projects (Pertama).
Cincinnati:
North Light Books.
Gaya MLA
Sidaway, Ian.
"Creative Pen & Ink Techniques: 15 inspiring step by step projects".
Pertama
Cincinnati:
North Light Books,
2001.
Text.