Gaya APA

NEED, E, T, S, Y. (2011). KUPAS TUNTAS MICROSOFT EXEL 2010 . : C.V ANDI OFFSET (Penerbit ANDI).

Gaya MLA

NEED, ENRICH, THE, SKILLS, YUO. "KUPAS TUNTAS MICROSOFT EXEL 2010". : C.V ANDI OFFSET (Penerbit ANDI), 2011. Text.