APA (7e ed.) Bronvermelding

Dulay, C. I. (1977). A study on the purification of native sea salt by elutriation [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Dulay, Ceferino I. A Study on the Purification of Native Sea Salt by Elutriation [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Dulay, Ceferino I. A Study on the Purification of Native Sea Salt by Elutriation [microform]. Photoduplication Service. University of the Philippines Library, 1977.