Gaya APA
Misnadiarly, ., 2017-09-14, .
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1214150917
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Textbook)
.
600:
2017-09-14.
Gaya MLA
Misnadiarly, ., 2017-09-14, .
"1214150917".
Textbook
600:
2017-09-14,
.
611.018 1 SUB b 1.