APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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