Dyfyniad APA

Calderon, B. F. (1951). A study of the students failure in the public secondary schools of Manila. s.n.

Dyfyniad Arddull Chicago

Calderon, Belen Fabros. A Study of the Students Failure in the Public Secondary Schools of Manila. s.l: s.n, 1951.

Dyfyniad MLA

Calderon, Belen Fabros. A Study of the Students Failure in the Public Secondary Schools of Manila. s.n, 1951.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.