Gaya APA

triyuliana, A, H. (2007). Mahir dala 7 hari : Microsoft office excel 2007 (1.). : Andi Offset.

Gaya MLA

triyuliana, Agnes, Heni. "Mahir dala 7 hari : Microsoft office excel 2007". 1. : Andi Offset, 2007. Text.