Gaya APA

PURNOMPO, I, S, D., HARIAYANI,S.H., I. (2011). MULTI LEVEL MARKETING MONEY GAME & SKEMA PIRAMID (1). SURABAYA: PT. RAMEDIA.

Gaya MLA

PURNOMPO, IR.R., SERFIANTO, D., HARIAYANI,S.H., ISWI. "MULTI LEVEL MARKETING MONEY GAME & SKEMA PIRAMID". 1 SURABAYA: PT. RAMEDIA, 2011. Text.