Citazione Stile APA (7a Edizione)

Sevilla, A. V. (1961). Current practices in school athletics in fourteen public secondary schools in Manila. s.n.].

Citazione stile Chigago Style (17a edizione)

Sevilla, Aurora Villacorta. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. [Quezon City: s.n.], 1961.

Citatione MLA (9a ed.)

Sevilla, Aurora Villacorta. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. s.n.], 1961.