Παραπομπή σε μορφή APA (7η εκδ.)

Alcantara, A. J. (1977). Nitrogen fixation by Rhizobiun-legume association and in the rhizosphere of monocotyledonous plants [microform]. Photoduplication Service, University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alcantara, Antonio Javina. Nitrogen Fixation by Rhizobiun-legume Association and in the Rhizosphere of Monocotyledonous Plants [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Alcantara, Antonio Javina. Nitrogen Fixation by Rhizobiun-legume Association and in the Rhizosphere of Monocotyledonous Plants [microform]. Photoduplication Service, University of the Philippines Library, 1977.