Manlutac, L. M. (1969). A proposed in-service education program in health education based on the competency needs of the Olongapo Elementary School teachers. s.n.].
Citazione stile Chigago Style (17a edizione)Manlutac, Lucila M. A Proposed In-service Education Program in Health Education Based on the Competency Needs of the Olongapo Elementary School Teachers. [Quezon City: s.n.], 1969.
Citatione MLA (9a ed.)Manlutac, Lucila M. A Proposed In-service Education Program in Health Education Based on the Competency Needs of the Olongapo Elementary School Teachers. s.n.], 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.