Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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