Robert Harbin. Origami: A Step by Step Guide. The Hamlyn Publishing Group Ltd.
Chicago Style (17th ed.) CitationRobert Harbin. Origami: A Step by Step Guide. UK: The Hamlyn Publishing Group Ltd.
MLA (9th ed.) CitationRobert Harbin. Origami: A Step by Step Guide. The Hamlyn Publishing Group Ltd.
Warning: These citations may not always be 100% accurate.