Educational Resources Information Center. (1969). Current index to journal in education. Oryx Press.
Citação do estilo Chicago (17ª ed.)Educational Resources Information Center. Current Index to Journal in Education. Phoenix, Ariz: Oryx Press, 1969.
Citação MLA (8ª ed.)Educational Resources Information Center. Current Index to Journal in Education. Oryx Press, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.