Cita APA (7a ed.)

Directory of travel and tours establishment in South East-Asia and Austral-Asia. s.n.

Cita Chicago Style (17a ed.)

Directory of Travel and Tours Establishment in South East-Asia and Austral-Asia. [S.l: s.n.

Cita MLA (9a ed.)

Directory of Travel and Tours Establishment in South East-Asia and Austral-Asia. s.n.