Eibling, H. H., King, F. M., & Harlow, J. (1965). Our country: An interdisciplinary approach (Teachers' ed.). Laidlaw Bros..
Lua i Stíl Chicago (17ú heag.)Eibling, Harold H., Frederick M. King, agus James Harlow. Our Country: An Interdisciplinary Approach. Teachers' ed. River Forest, Ill.: Laidlaw Bros., 1965.
Lua MLA (8ú heag.)Eibling, Harold H., et al. Our Country: An Interdisciplinary Approach. Teachers' ed. Laidlaw Bros., 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.