APA aipamena

Krames, J. A. (2002). The welch way. McGraw-Hill.

Chicago Style aipamena

Krames, Jeffrey A. The Welch Way. McGraw-Hill, 2002.

MLA aipamena

Krames, Jeffrey A. The Welch Way. McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.