Gaya APA

Collier, C., Robert, I, H, W. (1967). Teaching in the modern elementary School . New York: New York: The Mcmllan Company; 1967.

Gaya MLA

Collier, Calhoun., Robert, I., Haoston,, W.. "Teaching in the modern elementary School". New York: New York: The Mcmllan Company; 1967, 1967. Text.