Παραπομπή σε μορφή APA (7η εκδ.)

Kingsley, S. (2001). First certificate: first!: Examination practice 2 : reading, writing, use of English. Expess Pub..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kingsley, Sophie. First Certificate: First!: Examination Practice 2 : Reading, Writing, Use of English. Berkshire, UK: Expess Pub., 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kingsley, Sophie. First Certificate: First!: Examination Practice 2 : Reading, Writing, Use of English. Expess Pub., 2001.