Cita APA (7th ed.)

Manzano, R. G., & Santos, B. (2014). Principles of tourism 1. MaxCor Publishing House, Incorported.

Cita Chicago (17th ed.)

Manzano, Ronald G., i Buen Santos. Principles of Tourism 1. Quezon City: MaxCor Publishing House, Incorported, 2014.

Cita MLA (9th ed.)

Manzano, Ronald G., i Buen Santos. Principles of Tourism 1. MaxCor Publishing House, Incorported, 2014.