APA aipamena

(2004). What you need to know about irregular verbs. Singapore: Learners Pub.

Chicago Style aipamena

What You Need to Know About Irregular Verbs. Singapore: Learners Pub, 2004.

MLA aipamena

What You Need to Know About Irregular Verbs. Singapore: Learners Pub, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.