Gaya APA
Research methods in physical activity. (1990).
Illinois:
Human Kinetics.
Gaya Chicago
Research methods in physical activity.
2nd ed..
Illinois:
Human Kinetics,
1990.
Buku.
Gaya MLA
Research methods in physical activity.
2nd ed..
Illinois:
Human Kinetics,
1990.
Buku.
Gaya Turabian
Research methods in physical activity.
Illinois:
Human Kinetics,
1990.
Buku.