Soberano, J. D. (1957). The in-service training program: First national conference of government training officers. Philippine Journal of Public Administration.
Chicago-viite (17. p.)Soberano, Jose D. "The In-service Training Program: First National Conference of Government Training Officers." Philippine Journal of Public Administration 1957.
MLA-viite (9. p.)Soberano, Jose D. "The In-service Training Program: First National Conference of Government Training Officers." Philippine Journal of Public Administration, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.