APA (7e ed.) Bronvermelding

Balatan, S. C. (1993). Why did you let this happen?: Photo-reportage. Foundation for the Philippine Environment.

Chicago (17e ed.) Bronvermelding

Balatan, Sigfred C. Why Did You Let This Happen?: Photo-reportage. Quezon City: Foundation for the Philippine Environment, 1993.

MLA (9e ed.) Bronvermelding

Balatan, Sigfred C. Why Did You Let This Happen?: Photo-reportage. Foundation for the Philippine Environment, 1993.