APA-viite (7. p.)

ebrary, Inc, & Sahay, B. S. (2006). 3PL, 4PL and reverse logistics, part 2. Emerald Group Publishing.

Chicago-viite (17. p.)

ebrary, Inc, ja B. S. Sahay. 3PL, 4PL and Reverse Logistics, Part 2. Bradford, England: Emerald Group Publishing, 2006.

MLA-viite (9. p.)

ebrary, Inc, ja B. S. Sahay. 3PL, 4PL and Reverse Logistics, Part 2. Emerald Group Publishing, 2006.