Gaya APA

Humphrey, J, H., M., I, L, A. (1972). Principles and techniques of supervision in physical education . New Jersey: New Jersey: Princeton; 1972.

Gaya MLA

Humphrey, James, H.., M., I., Love,, Alice. "Principles and techniques of supervision in physical education". New Jersey: New Jersey: Princeton; 1972, 1972. Text.