APA (7e ed.) Bronvermelding

Mariñas, P. S. (1951). The construction of an otter door. College of Fisheries, University of the Philippines.

Chicago (17e ed.) Bronvermelding

Mariñas, Pedro S. The Construction of an Otter Door. Miagao, Iloilo: College of Fisheries, University of the Philippines, 1951.

MLA (9e ed.) Bronvermelding

Mariñas, Pedro S. The Construction of an Otter Door. College of Fisheries, University of the Philippines, 1951.