Gaya APA

f.Gonsalves,, J. (1997). Sustainable livehood options for the Ohilippines , an information kit . : Department of Environmen and natural Resource.

Gaya MLA

f.Gonsalves,, Julian. "Sustainable livehood options for the Ohilippines , an information kit". : Department of Environmen and natural Resource, 1997. Text.