Brennan, John J.
"[Book Review of] The Picture Dictionary of the Ovulation Method and Other Assorted Teaching Aids, by Thomas Hilgers, M.D., Ann Prebil, R.N., K. Diane Daly, R.N., and Susan Hilgers, B.A.,"
The Linacre Quarterly: Vol. 50
, Article 20.
Available at: https://epublications.marquette.edu/lnq/vol50/iss3/20