Ballada, W. L., & Galvez, S. (1997). Partnership and corporation accounting: Made easy. Winifred Lu Ballada.
Lua i Stíl Chicago (17ú heag.)Ballada, Win Lu, agus Susan Galvez. Partnership and Corporation Accounting: Made Easy. [S.l.]: Winifred Lu Ballada, 1997.
Lua MLA (9ú heag.)Ballada, Win Lu, agus Susan Galvez. Partnership and Corporation Accounting: Made Easy. Winifred Lu Ballada, 1997.
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