Santos, B., & Manzano, R. (2014). Principles of tourism II. MaxCor Publishing House, Inc.
Cita Chicago (17th ed.)Santos, Buen, i Ronald Manzano. Principles of Tourism II. Quezon City: MaxCor Publishing House, Inc, 2014.
Cita MLA (9th ed.)Santos, Buen, i Ronald Manzano. Principles of Tourism II. MaxCor Publishing House, Inc, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.