Gaya APA
Atmadji, A. (2015).
Basic Airline Marketing Knowledge : English Version (Cet.1).
Yogyakarta:
Penerbit Deepublish.
Gaya MLA
Atmadji, Ariesta.
"Basic Airline Marketing Knowledge : English Version".
Cet.1
Yogyakarta:
Penerbit Deepublish,
2015.
Text.