APA (7e ed.) Bronvermelding

Galang, A. P., Reyes, D. P. T., Dela Cruz, E. L., Oliva, M. T. M., Pinpin, L., Mesina, S. R., & Wood, M. R. G. (2003). Seven lenses or environmental principles as if adult mattered. Bookmark.

Chicago (17e ed.) Bronvermelding

Galang, Angelina P., Donna Paz T. Reyes, Editha L. Dela Cruz, Ma. Teresa M. Oliva, Lilibeth Pinpin, Sylvia R. Mesina, en Ma. Rosario G. Wood. Seven Lenses or Environmental Principles as If Adult Mattered. Makati City: Bookmark, 2003.

MLA (9e ed.) Bronvermelding

Galang, Angelina P., et al. Seven Lenses or Environmental Principles as If Adult Mattered. Bookmark, 2003.