Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, & Williams, S. W. (2003). The dual nature of workplace learning programs: Design and evaluation. Emerald Group Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, και Saundra Wall Williams. The Dual Nature of Workplace Learning Programs: Design and Evaluation. Bradford, England: Emerald Group Publishing, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, και Saundra Wall Williams. The Dual Nature of Workplace Learning Programs: Design and Evaluation. Emerald Group Publishing, 2003.