Gaya APA

LUKAS, A, S. (). WHO WANTS TO BE A SMILING INVESTOR . : Jakarta : KPG ( Kepustakaan Populer Gramedia).

Gaya MLA

LUKAS, ATMAJA, SETIA. "WHO WANTS TO BE A SMILING INVESTOR". : Jakarta : KPG ( Kepustakaan Populer Gramedia), . Text.