APA (7th ed.) Citation

Peale, N. V. Berfikir Positif. Binarupa Aksara.

Chicago Style (17th ed.) Citation

Peale, Norman Vincent. Berfikir Positif. Binarupa Aksara.

MLA (8th ed.) Citation

Peale, Norman Vincent. Berfikir Positif. Binarupa Aksara.

Warning: These citations may not always be 100% accurate.