Anis, B. (1971). Difficulties of Ibaloy learners of English simple primary conjunctions. s.n.].
Citazione stile Chigago Style (17a edizione)Anis, Basilio. Difficulties of Ibaloy Learners of English Simple Primary Conjunctions. [Quezon City: s.n.], 1971.
Citatione MLA (9a ed.)Anis, Basilio. Difficulties of Ibaloy Learners of English Simple Primary Conjunctions. s.n.], 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.