Gaya APA
Economics of Public Health. (1961).
:
University of Pennsylvania Press.
Gaya Chicago
Economics of Public Health.
.
:
University of Pennsylvania Press,
1961.
.
Gaya MLA
Economics of Public Health.
.
:
University of Pennsylvania Press,
1961.
.
Gaya Turabian
Economics of Public Health.
:
University of Pennsylvania Press,
1961.
.