Παραπομπή APA

Negi, J. Air travel ticketing and fare construction: With examination questions. Kanishka.

Παραπομπή Chicago Style

Negi, Jagmohan. Air Travel Ticketing and Fare Construction: With Examination Questions. NewDelhi: Kanishka.

Παραπομπή MLA

Negi, Jagmohan. Air Travel Ticketing and Fare Construction: With Examination Questions. Kanishka.