एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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