Gaya APA

Sutomo, B., Hardiman, I. (2009). The Simple Art of Napkin Folding : 40 Jenis Lipatan Serbet Step by Step . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Sutomo, Budi., Hardiman, Intarina. "The Simple Art of Napkin Folding : 40 Jenis Lipatan Serbet Step by Step". Jakarta: Gramedia Pustaka Utama, 2009. Book.