Gaya APA
R, C, Y, &, H, B. (2019).
SURVEYS OF INTERNATIONAL TRADE .
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World Scientific Publishing Co.
Gaya MLA
R, CHEUNG, YIN-WONG, &, HAZARI, BHARAT.
"SURVEYS OF INTERNATIONAL TRADE".
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World Scientific Publishing Co,
2019.
S2-Pendidikan Bahasa Arab.