Style de citation APA (7e éd.)

Ty, E. F. (1957). A proposed program of guidance services for the rural schools of the Philippines. s.n.].

Style de citation Chicago (17e éd.)

Ty, Eufemia Formento. A Proposed Program of Guidance Services for the Rural Schools of the Philippines. [Colorado: s.n.], 1957.

Style de citation MLA (9e éd.)

Ty, Eufemia Formento. A Proposed Program of Guidance Services for the Rural Schools of the Philippines. s.n.], 1957.