Dyfyniad APA

Samelson, W. (1974). English as a second language. Reston Pub. Co.

Dyfyniad Arddull Chicago

Samelson, William. English as a Second Language. Reston, Va.: Reston Pub. Co, 1974.

Dyfyniad MLA

Samelson, William. English as a Second Language. Reston Pub. Co, 1974.

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