Cita APA (7th ed.)
Heilman, A. W., Blair, T. R., & Rupley, W. H. (1981). Principles and practices of teaching reading (7th ed.). Merrill.
Cita Chicago (17th ed.)
Heilman, Arthur W., Timothy R. Blair, i William H. Rupley. Principles and Practices of Teaching Reading. 7th ed. Columbus: Merrill, 1981.
Cita MLA (9th ed.)
Heilman, Arthur W., et al. Principles and Practices of Teaching Reading. 7th ed. Merrill, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.