Kallaher, M. J., & Ostrom, T. G. (1973). Proceedings of the International Conference on Projective Planes. Washington State University Press.
Chicago-čujuhus (17. p.)Kallaher, Michael J., juo Theodore Gleason Ostrom. Proceedings of the International Conference on Projective Planes. Washington, D.C: Washington State University Press, 1973.
MLA-čujuhus (9. p.)Kallaher, Michael J., juo Theodore Gleason Ostrom. Proceedings of the International Conference on Projective Planes. Washington State University Press, 1973.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.