Citazione Stile APA (7a Edizione)

Hawkins, D. E., Wood, M. E., & Bittman, S. (1995). The Ecolodge sourcebook for planners & developers. Ecotourism Society.

Citazione stile Chigago Style (17a edizione)

Hawkins, Donald E., Megan Epler Wood, e Sam Bittman. The Ecolodge Sourcebook for Planners & Developers. North Bennington, Vt: Ecotourism Society, 1995.

Citatione MLA (9a ed.)

Hawkins, Donald E., et al. The Ecolodge Sourcebook for Planners & Developers. Ecotourism Society, 1995.