Style de citation APA (7e éd.)

Pugne, M. F. (1962). Essential qualities that should be emphasized in the professional training of competent trade teachers. s.n.].

Style de citation Chicago (17e éd.)

Pugne, Melquiades F. Essential Qualities That Should Be Emphasized in the Professional Training of Competent Trade Teachers. [Quezon City: s.n.], 1962.

Style de citation MLA (9e éd.)

Pugne, Melquiades F. Essential Qualities That Should Be Emphasized in the Professional Training of Competent Trade Teachers. s.n.], 1962.