APA (7th ed.) Citation

Ridpath, I. (1979). Manusia dan Material Plastik. PT Indira.

Chicago Style (17th ed.) Citation

Ridpath, Ian. Manusia Dan Material Plastik. PT Indira, 1979.

MLA (8th ed.) Citation

Ridpath, Ian. Manusia Dan Material Plastik. PT Indira, 1979.

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