Gaya APA

(FAO), F, A, A, O, O, T, U, N., (UNWTO), W, T, O. (2023). Understanding and Quantifying Mountain Tourism (Cetakan pertama). Rome, Italy dan Madrid, Spain: FAO dan UNWTO.

Gaya MLA

(FAO), Food, And, Agriculture, Organization, Of, The, United, Nations., (UNWTO), World, Tourism, Organization. "Understanding and Quantifying Mountain Tourism". Cetakan pertama Rome, Italy dan Madrid, Spain: FAO dan UNWTO, 2023. Text.