Philippines. Department of Agriculture & Abaca Production and Development Program. (1980). Primer on abaca production and culture. Abaca Production and Development Program, Department of Agriculture.
Citazione stile Chigago Style (17a edizione)Philippines. Department of Agriculture e Abaca Production and Development Program. Primer on Abaca Production and Culture. Quezon City: Abaca Production and Development Program, Department of Agriculture, 1980.
Citatione MLA (9a ed.)Philippines. Department of Agriculture e Abaca Production and Development Program. Primer on Abaca Production and Culture. Abaca Production and Development Program, Department of Agriculture, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.