Heiges, P. M., Schneider, A. E., Huffman, H., Stewart, J. R., & Dalrymple, G. H. (1965). General recordkeeping (5th ed.). Gregg Division, McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Heiges, Peter Myers, Arnold Edward Schneider, Harry Huffman, Jeffrey Robert Stewart, agus George H. Dalrymple. General Recordkeeping. 5th ed. New York: Gregg Division, McGraw-Hill, 1965.
Lua MLA (8ú heag.)Heiges, Peter Myers, et al. General Recordkeeping. 5th ed. Gregg Division, McGraw-Hill, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.