Gaya APA

HUM, S, A. (2011). LEARNING HOW TO GIVE, ACCEPT AND REFUSE INVITATION . Jakarta: CV. Citraunggul Laksana.

Gaya MLA

HUM, SITI, AISAH,M.. "LEARNING HOW TO GIVE, ACCEPT AND REFUSE INVITATION". Jakarta: CV. Citraunggul Laksana, 2011. Text.