APA

Allsop J., . (2002). Test Your Verbs. Harlow: Penguin English.

Chicago

Allsop J, . 2002. Test Your Verbs. Harlow: Penguin English.

Harvard

Allsop J., . (2002). Test Your Verbs. Harlow: Penguin English.

MLA

Allsop J, . Test Your Verbs. Harlow: Penguin English. 2002.