Beller, J. M. (1987). The effect of aerobic endurance exercise on maternal and fetal heart rate during the second and third trimesters of pregnancy. [publisher not identified].
Chicago Style (17th ed.) CitationBeller, Jennifer Marie. The Effect of Aerobic Endurance Exercise on Maternal and Fetal Heart Rate During the Second and Third Trimesters of Pregnancy. [Place of publication not identified]: [publisher not identified], 1987.
MLA (9th ed.) CitationBeller, Jennifer Marie. The Effect of Aerobic Endurance Exercise on Maternal and Fetal Heart Rate During the Second and Third Trimesters of Pregnancy. [publisher not identified], 1987.
Warning: These citations may not always be 100% accurate.