Cita APA

Brown Gfrorer, B. K. (1981). Basic English for students of social sciences and humanities (1.edition.). San José, C.R.: Editorial de la Universidad de Costa Rica.

Citación estilo Chicago

Brown Gfrorer, Bonnie Kay. Basic English for Students of Social Sciences and Humanities. 1.edition. San José, C.R.: Editorial de la Universidad de Costa Rica, 1981.

Cita MLA

Brown Gfrorer, Bonnie Kay. Basic English for Students of Social Sciences and Humanities. 1.edition. San José, C.R.: Editorial de la Universidad de Costa Rica, 1981.