Cita APA (7th ed.)

R.R. Bowker Publishing Group. (1990). El-Hi Textbooks and Serials In Print 1990: Including Related Teaching Materials K-12 (118th ed.). R.R. Bowker.

Cita Chicago (17th ed.)

R.R. Bowker Publishing Group. El-Hi Textbooks and Serials In Print 1990: Including Related Teaching Materials K-12. 118th ed. New York: R.R. Bowker, 1990.

Cita MLA (9th ed.)

R.R. Bowker Publishing Group. El-Hi Textbooks and Serials In Print 1990: Including Related Teaching Materials K-12. 118th ed. R.R. Bowker, 1990.