Gaya APA

Laidler, K, J., Swanson, C, P. (1966). Principles of chemistry . New York: New York: Harcourt Brace & World; 1966.

Gaya MLA

Laidler, Keith, J.., Swanson, Carl, P.. "Principles of chemistry". New York: New York: Harcourt Brace & World; 1966, 1966. Text.