Παραπομπή σε μορφή APA (7η εκδ.)

Behrens, R. H. (1992). Commercial Problems Loans How To Identify Supervice And Collect The Problem Loan Robert H. Behrens. Bankers Pub Co.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Behrens, Robert H. Commercial Problems Loans How To Identify Supervice And Collect The Problem Loan Robert H. Behrens. Bankers Pub Co, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Behrens, Robert H. Commercial Problems Loans How To Identify Supervice And Collect The Problem Loan Robert H. Behrens. Bankers Pub Co, 1992.