Philippines (Republic) Bureau of Internal Revenue & Gapultos, S. M. (1970). Bookkeeping regulations (Revenue regulations no. V-1) (1970 ed.). E.D. Buenaventura Press].
Chicago-viite (17. p.)Philippines (Republic) Bureau of Internal Revenue ja Santiago M. Gapultos. Bookkeeping Regulations (Revenue Regulations No. V-1). 1970 ed. [Manila: E.D. Buenaventura Press], 1970.
MLA-viite (9. p.)Philippines (Republic) Bureau of Internal Revenue ja Santiago M. Gapultos. Bookkeeping Regulations (Revenue Regulations No. V-1). 1970 ed. E.D. Buenaventura Press], 1970.
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