Lumayag, E. J. (1982). Contractual arrangement in abaca production in some selected villages in the Philippines [microform]. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Lumayag, Eutiquio J. Contractual Arrangement in Abaca Production in Some Selected Villages in the Philippines [microform]. Quezon City: University of the Philippines Library, 1982.
Citatione MLA (9a ed.)Lumayag, Eutiquio J. Contractual Arrangement in Abaca Production in Some Selected Villages in the Philippines [microform]. University of the Philippines Library, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.