Παραπομπή σε μορφή APA (7η εκδ.)

Garbutt Douglas. (1991). Key to Carter's advanced accounts: Fully-worked suggested solutions to the exercises in the 7th ed. of Carter's advanced accounts. Pitman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Garbutt Douglas. Key to Carter's Advanced Accounts: Fully-worked Suggested Solutions to the Exercises in the 7th Ed. of Carter's Advanced Accounts. Pitman, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Garbutt Douglas. Key to Carter's Advanced Accounts: Fully-worked Suggested Solutions to the Exercises in the 7th Ed. of Carter's Advanced Accounts. Pitman, 1991.