Cita APA

Crawford, H. J., & Christensen, L. B. (1995). Developing research skills: A laboratory manual (3rd ed.). Allyn and Bacon.

Citación estilo Chicago

Crawford, Helen J., and Larry B. Christensen. Developing Research Skills: A Laboratory Manual. 3rd ed. Boston: Allyn and Bacon, 1995.

Cita MLA

Crawford, Helen J., and Larry B. Christensen. Developing Research Skills: A Laboratory Manual. 3rd ed. Allyn and Bacon, 1995.

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