APA aipamena

Billings, H. (2005). Adventures in reading: Intermediate. Singapore: McGraw-Hill.

Chicago Style aipamena

Billings, Henry. Adventures in Reading: Intermediate. Singapore: McGraw-Hill, 2005.

MLA aipamena

Billings, Henry. Adventures in Reading: Intermediate. Singapore: McGraw-Hill, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.