Gaya APA

Hall, E, J., Ffolliott, P, F. (1990). Manual On Watershed Instrumentation An Measurements (-). Pilipina, Asean-Us Watershed Project: -.

Gaya MLA

Hall, Eugene, J., Ffolliott, Peter, F. "Manual On Watershed Instrumentation An Measurements". - Pilipina, Asean-Us Watershed Project: -, 1990. Text.