APA aipamena

Michael Ryall. (2002). Instructor's manual interaction; T2: Writing. New York: McGraw-Hill.

Chicago Style aipamena

Michael Ryall. Instructor's Manual Interaction; T2: Writing. New York: McGraw-Hill, 2002.

MLA aipamena

Michael Ryall. Instructor's Manual Interaction; T2: Writing. New York: McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.