Gaya APA
Hay, J, G.
(1978).
The biomechanics of sports techniques
(
2nd ed.)
.
Englewood Cliffs:
Prentice Hal.
Gaya MLA
Hay, James, G..
"The biomechanics of sports techniques".
2nd ed.
Englewood Cliffs:
Prentice Hal,
1978.
Text.