Cita APA (7th ed.)

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.