Παραπομπή σε μορφή APA (7η εκδ.)

Song, S., & Waldron, K. J. (1989). Machines That Walk: The Adaptive Suspension Vehicle. Massachusetts Institute of Technology Cambridge Mass.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Song, Shin-Min, και Kenneth J. Waldron. Machines That Walk: The Adaptive Suspension Vehicle. Cambridge MA: Massachusetts Institute of Technology Cambridge Mass, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Song, Shin-Min, και Kenneth J. Waldron. Machines That Walk: The Adaptive Suspension Vehicle. Massachusetts Institute of Technology Cambridge Mass, 1989.