Gaya APA
Purba. (2010).
International Financial Reporting Standards .
Yogyakarta:
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Gaya Chicago
Purba.
International Financial Reporting Standards.
Yogyakarta:
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Text.
Gaya MLA
Purba.
International Financial Reporting Standards.
Yogyakarta:
,
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Gaya Turabian
Purba.
International Financial Reporting Standards.
Yogyakarta:
,
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Print.