Pili, I. B. (1973). A survey of completed descriptive and contrastive researches on teaching English as a second language from 1959 to 1971. s.n.].
Chicagoスタイル(17版)引用形式Pili, Irene B. A Survey of Completed Descriptive and Contrastive Researches on Teaching English as a Second Language from 1959 to 1971. [Quezon City: s.n.], 1973.
MLA(9版)引用形式Pili, Irene B. A Survey of Completed Descriptive and Contrastive Researches on Teaching English as a Second Language from 1959 to 1971. s.n.], 1973.
警告: この引用は必ずしも正確ではありません.