APA aipamena

Whittenburg, G. E., & Gerald E. Whittenburg; Martha Altus - Buller. (2007). Income tax fundamentals. Mason, OH: Cengage South western.

Chicago Style aipamena

Whittenburg, Gerald E., và Gerald E. Whittenburg; Martha Altus - Buller. Income Tax Fundamentals. Mason, OH: Cengage South western, 2007.

MLA aipamena

Whittenburg, Gerald E., và Gerald E. Whittenburg; Martha Altus - Buller. Income Tax Fundamentals. Mason, OH: Cengage South western, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.