Krohn, H. C. (1980). Education in the development of Papua and New Guinea: Focus on teachers and teacher education. University Microfilms.
Lua i Stíl Chicago (17ú heag.)Krohn, Henry Clive. Education in the Development of Papua and New Guinea: Focus on Teachers and Teacher Education. Ann Arbor: University Microfilms, 1980.
Lua MLA (9ú heag.)Krohn, Henry Clive. Education in the Development of Papua and New Guinea: Focus on Teachers and Teacher Education. University Microfilms, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.