APA aipamena

Sabin, W. A. (2001). The Gregg reference manual (9th ed.). Boston: McGraw-Hill.

Chicago Style aipamena

Sabin, William A. The Gregg Reference Manual. 9th ed. Boston: McGraw-Hill, 2001.

MLA aipamena

Sabin, William A. The Gregg Reference Manual. 9th ed. Boston: McGraw-Hill, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.