Cita APA

FEYNMAN, R. (2015). Why? People. Jakarta: Gramedia.

Chicago Style Citation

FEYNMAN, Richard. Why? People. Jakarta: Gramedia, 2015.

Cita MLA

FEYNMAN, Richard. Why? People. Jakarta: Gramedia, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.