APA (7e ed.) Bronvermelding

ebrary, Inc, & Sahay, B. S. (2006). 3PL, 4PL and reverse logistics: Part 1. Emerald Group Publishing.

Chicago (17e ed.) Bronvermelding

ebrary, Inc, en B. S. Sahay. 3PL, 4PL and Reverse Logistics: Part 1. Bradford, England: Emerald Group Publishing, 2006.

MLA (9e ed.) Bronvermelding

ebrary, Inc, en B. S. Sahay. 3PL, 4PL and Reverse Logistics: Part 1. Emerald Group Publishing, 2006.