Dyfyniad APA

Young, S. B., & Wells, A. (2019). Airport planning and management (Seventh edition.). mcGraw-Hill Education.

Dyfyniad Arddull Chicago

Young, Seth B., and Alexander Wells. Airport Planning and Management. Seventh edition. New York: mcGraw-Hill Education, 2019.

Dyfyniad MLA

Young, Seth B., and Alexander Wells. Airport Planning and Management. Seventh edition. mcGraw-Hill Education, 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.