Gaya APA
Sartwell, Philip E.. (1956).
Preventive Medicine And Public Health (ed. 9).
Amerika:
ACC.
Gaya Chicago
Sartwell, Philip E..
Preventive Medicine And Public Health.
ed. 9
Amerika:
ACC,
1956.
Text.
Gaya MLA
Sartwell, Philip E..
Preventive Medicine And Public Health.
ed. 9
Amerika:
ACC,
1956.
Text.
Gaya Turabian
Sartwell, Philip E..
Preventive Medicine And Public Health.
ed. 9
Amerika:
ACC,
1956.
Print.