Gaya APA

Hay, J, G. (1972). The Biomechanics of sports techniques (2nd ed). Englewood Cliffs, NJ: Prentice-Hall.

Gaya MLA

Hay, James, G.. "The Biomechanics of sports techniques". 2nd ed Englewood Cliffs, NJ: Prentice-Hall, 1972. Text.