(2004). What you need to know about irregular verbs. Singapore: Learners Pub.
Chicago-stil citatWhat You Need to Know About Irregular Verbs. Singapore: Learners Pub, 2004.
MLA-referensWhat You Need to Know About Irregular Verbs. Singapore: Learners Pub, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.