Stevenson, J. L., & Sprachman, S. (1981). Reading the social sciences in english. Longman.
Dyfyniad Arddull ChicagoStevenson, Jane L., and Susan Sprachman. Reading the Social Sciences in English. Londres: Longman, 1981.
Dyfyniad MLAStevenson, Jane L., and Susan Sprachman. Reading the Social Sciences in English. Longman, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.