APA Citation

Sutanto Leo, Ines Mentari, & Retna Dewanti. English for professional airline service (Cetakan pertama.).

Chicago Style Citation

Sutanto Leo, Ines Mentari, and Retna Dewanti. English for Professional Airline Service. Cetakan pertama.

MLA Citation

Sutanto Leo, Ines Mentari, and Retna Dewanti. English for Professional Airline Service. Cetakan pertama.

Warning: These citations may not always be 100% accurate.