Gaya APA

Martopangrawit, R. et al (1956). An introductory course in college physics . New York: New York: The Macmillan; 1956.

Gaya MLA

Martopangrawit, R.L.. et al. "An introductory course in college physics". New York: New York: The Macmillan; 1956, 1956. Text.