Hull, A. L., Machuca, B. G., Méndez, F., Robinett, R. F., Valle, K. M. d., Rojas, P. M., & Fries, C. C. (1953). Study of english as a second language. D. C. Heath.
Chicago Style (17th ed.) CitationHull, Adrian L., Belén G. Machuca, Francisca Méndez, Ralph F. Robinett, Katharene M. del Valle, Pauline M. Rojas, and Charles C. Fries. Study of English as a Second Language. Boston: D. C. Heath, 1953.
MLA引文Hull, Adrian L., et al. Study of English as a Second Language. D. C. Heath, 1953.
警告:這些引文格式不一定是100%准確.