Gaya APA

Holloway, J, C. et al (2009). The Business of tourism : by J. Christopher Holloway with Claire Humphreys and Rob Davidson (8th ed.). Essex, England: Pearson.

Gaya MLA

Holloway, J., Christopher. et al. "The Business of tourism : by J. Christopher Holloway with Claire Humphreys and Rob Davidson". 8th ed. Essex, England: Pearson, 2009. BUKU.