Dyfyniad APA

Salita, D. C., & Rosell, D. Z. (1980). Economic geography of the Philippines. National Research Council of the Philippines.

Dyfyniad Arddull Chicago

Salita, Domingo C., and Dominador Z. Rosell. Economic Geography of the Philippines. Bicutan, Taguig: National Research Council of the Philippines, 1980.

Dyfyniad MLA

Salita, Domingo C., and Dominador Z. Rosell. Economic Geography of the Philippines. National Research Council of the Philippines, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.