Gaya APA
SILK,Leonard S.. (1975).
Contemporary Economics Principles and Issues (2nd.ed.).
New York:
McGraw-Hill.
Gaya Chicago
SILK,Leonard S..
Contemporary Economics Principles and Issues.
2nd.ed.
New York:
McGraw-Hill,
1975.
Teks.
Gaya MLA
SILK,Leonard S..
Contemporary Economics Principles and Issues.
2nd.ed.
New York:
McGraw-Hill,
1975.
Teks.
Gaya Turabian
SILK,Leonard S..
Contemporary Economics Principles and Issues.
2nd.ed.
New York:
McGraw-Hill,
1975.
Teks.