Gaya APA
Hardy, Colin. (1990).
Swimming for health .
London:
Hodder and Stoughton.
Gaya Chicago
Hardy, Colin.
Swimming for health.
London:
Hodder and Stoughton,
1990.
Text.
Gaya MLA
Hardy, Colin.
Swimming for health.
London:
Hodder and Stoughton,
1990.
Text.
Gaya Turabian
Hardy, Colin.
Swimming for health.
London:
Hodder and Stoughton,
1990.
Print.