Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, & Birkler, J. L. (2003). Competition and innovation in the U.S. fixed-wing military aircraft industry. RAND.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, και J. L. Birkler. Competition and Innovation in the U.S. Fixed-wing Military Aircraft Industry. Santa Monica, CA: RAND, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, και J. L. Birkler. Competition and Innovation in the U.S. Fixed-wing Military Aircraft Industry. RAND, 2003.