Gaya APA
POPULI VOL. 17, NO. 2, TH. 1990 - VOL. 18, NO. 4, DESEMBER 1991. ().
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Gaya Chicago
POPULI VOL. 17, NO. 2, TH. 1990 - VOL. 18, NO. 4, DESEMBER 1991.
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Gaya MLA
POPULI VOL. 17, NO. 2, TH. 1990 - VOL. 18, NO. 4, DESEMBER 1991.
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Gaya Turabian
POPULI VOL. 17, NO. 2, TH. 1990 - VOL. 18, NO. 4, DESEMBER 1991.
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