APA Citation

Brown Gfrorer, B. (1992). Basic english for students of social sciences and humanities (2a. ed.). San José, C. R.: Universidad de Costa Rica.

Chicago Style Citation

Brown Gfrorer, Bonnie. Basic English for Students of Social Sciences and Humanities. 2a. ed. San José, C. R.: Universidad de Costa Rica, 1992.

MLA Citation

Brown Gfrorer, Bonnie. Basic English for Students of Social Sciences and Humanities. 2a. ed. San José, C. R.: Universidad de Costa Rica, 1992.

Warning: These citations may not always be 100% accurate.