APA (7e ed.) Bronvermelding

Philippines. Department of Tourism. (2008). Colors: Philippine travel guide : 25 best spas in the Philippines. Department of Tourism.

Chicago (17e ed.) Bronvermelding

Philippines. Department of Tourism. Colors: Philippine Travel Guide : 25 Best Spas in the Philippines. Manila: Department of Tourism, 2008.

MLA (9e ed.) Bronvermelding

Philippines. Department of Tourism. Colors: Philippine Travel Guide : 25 Best Spas in the Philippines. Department of Tourism, 2008.