APA aipamena

EBERT, R. J., & EBERT, R. J. (2005). Business essentialsRonald J. Ebert, Ricky W. Griffin. Prentice Hall.

Chicago Style aipamena

EBERT, Ronald J., and Ronald J. EBERT. Business EssentialsRonald J. Ebert, Ricky W. Griffin. Prentice Hall, 2005.

MLA aipamena

EBERT, Ronald J., and Ronald J. EBERT. Business EssentialsRonald J. Ebert, Ricky W. Griffin. Prentice Hall, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.