Παραπομπή σε μορφή APA (7η εκδ.)

(1990). Introduction To Economis An Integrated Approach To Fundamental Principles, Second Edition, John Craven. Basil Blackwell.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Introduction To Economis An Integrated Approach To Fundamental Principles, Second Edition, John Craven. Basil Blackwell, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Introduction To Economis An Integrated Approach To Fundamental Principles, Second Edition, John Craven. Basil Blackwell, 1990.