Fermin, A. E. G. (1976). Characteristics of teacher turnover types in the public elementary schools of Manila, 1959-1968 [microform]. Photoduplication Service University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Fermin, Adelinda Emma Gajo. Characteristics of Teacher Turnover Types in the Public Elementary Schools of Manila, 1959-1968 [microform]. [Quezon City]: Photoduplication Service University of the Philippines Library, 1976.
Lua MLA (9ú heag.)Fermin, Adelinda Emma Gajo. Characteristics of Teacher Turnover Types in the Public Elementary Schools of Manila, 1959-1968 [microform]. Photoduplication Service University of the Philippines Library, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.