Gaya APA

Walls, J, L., Wittmer, A. (2022). Sustainable Aviation: A Management Perspective (Management for Professionals) (E-Book) . : Springer International Publishing.

Gaya MLA

Walls, Judith, L.., Wittmer, Andreas. "Sustainable Aviation: A Management Perspective (Management for Professionals) (E-Book)". : Springer International Publishing, 2022. Text.