APA (7e ed.) Bronvermelding

Maravilla, M. Ilocos and Mountain Province: Home of hardy people. Research and Information Division, Dept. of Trade.

Chicago (17e ed.) Bronvermelding

Maravilla, Myrna. Ilocos and Mountain Province: Home of Hardy People. [Quezon City]: Research and Information Division, Dept. of Trade.

MLA (9e ed.) Bronvermelding

Maravilla, Myrna. Ilocos and Mountain Province: Home of Hardy People. Research and Information Division, Dept. of Trade.

Let op: Deze citaties zijn niet altijd 100% accuraat.