APA (7e ed.) Bronvermelding

Brett, J. P. (1987). Splayed feet: An ecological adaptation of mountain populations. Cordillera Studies Center, University of the Philippines Baguio.

Chicago (17e ed.) Bronvermelding

Brett, June Prill. Splayed Feet: An Ecological Adaptation of Mountain Populations. Baguio City: Cordillera Studies Center, University of the Philippines Baguio, 1987.

MLA (9e ed.) Bronvermelding

Brett, June Prill. Splayed Feet: An Ecological Adaptation of Mountain Populations. Cordillera Studies Center, University of the Philippines Baguio, 1987.