Gaya APA
S.Pd, M, M, B.
(1998).
A GUIDE TO BUSINESS WRITING
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Jl. Langensari 45 Balapan,Yogy:
AMP YKPN.
Gaya MLA
S.Pd, Mahmud, Machfoedz,, B.A..
"A GUIDE TO BUSINESS WRITING".
Jl. Langensari 45 Balapan,Yogy:
AMP YKPN,
1998.
Text.