APA aipamena

John, & John; Liz Soars. (1999). New Headway english course: Intermediate student's book. Oxf. [etc.]: Oxf. Univ. Pr.

Chicago Style aipamena

John, và John; Liz Soars. New Headway English Course: Intermediate Student's Book. Oxf. [etc.]: Oxf. Univ. Pr, 1999.

MLA aipamena

John, và John; Liz Soars. New Headway English Course: Intermediate Student's Book. Oxf. [etc.]: Oxf. Univ. Pr, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.