Cita APA (7a ed.)

So, P. L. (2008). The first Philippine domestic travel & tour handbook 2008. Philippine Travel Agencies Association (PTAA).

Cita Chicago Style (17a ed.)

So, Paul L. The First Philippine Domestic Travel & Tour Handbook 2008. Pasay City: Philippine Travel Agencies Association (PTAA), 2008.

Cita MLA (9a ed.)

So, Paul L. The First Philippine Domestic Travel & Tour Handbook 2008. Philippine Travel Agencies Association (PTAA), 2008.