Gaya APA
TINBERGEN,Jan. (1967).
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Gaya Chicago
TINBERGEN,Jan.
Development Planning.
New York:
McGraw-Hill,
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Gaya MLA
TINBERGEN,Jan.
Development Planning.
New York:
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Teks.
Gaya Turabian
TINBERGEN,Jan.
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New York:
McGraw-Hill,
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Teks.