APA aipamena

(1988). Income Text Procedure 1987 Tax Retures 1988 Tax Planning. South Westen Publishing Co.

Chicago Style aipamena

Income Text Procedure 1987 Tax Retures 1988 Tax Planning. South Westen Publishing Co, 1988.

MLA aipamena

Income Text Procedure 1987 Tax Retures 1988 Tax Planning. South Westen Publishing Co, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.