Banzuelo, R. H. (1974). The effects of treatment with Gibberellic acid on castor bean plants (Recinus communis Linn.) [microform]. Photoduplication Service, University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Banzuelo, Rojo H. The Effects of Treatment with Gibberellic Acid on Castor Bean Plants (Recinus Communis Linn.) [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Lua MLA (9ú heag.)Banzuelo, Rojo H. The Effects of Treatment with Gibberellic Acid on Castor Bean Plants (Recinus Communis Linn.) [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.