Gaya APA
}, L, R, {, E, A. (1958).
Preventive Medicine for The Doctor in His Community .
New York:
Mcgraw Hill Book Company.
Gaya MLA
}, Leavell,Hugh, Rodman, {, Et, Al.
"Preventive Medicine for The Doctor in His Community".
New York:
Mcgraw Hill Book Company,
1958.
Text.