Gaya APA
ENKE, S.
(1963).
ECONOMICS FOR DEVELOPMENT
.
Englewood Cliffs,N.J.:
Prentice-Hall,Inc.
Gaya MLA
ENKE, Stephen.
"ECONOMICS FOR DEVELOPMENT".
Englewood Cliffs,N.J.:
Prentice-Hall,Inc,
1963.
Textbook.