Tumbocon, M. J. (1991). Preventive care of adolescents / Mauro Jr. Tumbocon. Manila Times.
Cita Chicago (17th ed.)Tumbocon, Mauro Jr. "Preventive Care of Adolescents / Mauro Jr. Tumbocon." Manila Times 1991.
Cita MLA (9th ed.)Tumbocon, Mauro Jr. "Preventive Care of Adolescents / Mauro Jr. Tumbocon." Manila Times, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.