Gaya APA

Peale, N, V., Wuisan, A. (1993). Berpikir Positif : Kunci Sukses = Why some positive thinkers ge powerfull results . Jakarta: BPK Gunung Mulia.

Gaya MLA

Peale, Norman, Vincent., Wuisan, Antonius. "Berpikir Positif : Kunci Sukses = Why some positive thinkers ge powerfull results". Jakarta: BPK Gunung Mulia, 1993. Text.