David, H. P., & Johnson, R. L. (1980). Teen problem pregnancies: Peer counselors' perceptions about community concerns and solutions. approach and limitations. Population And Environmental Psychology Newsletter, 7(2), 20.
Chicago ZitierstilDavid, H P., und R L. Johnson. "Teen Problem Pregnancies: Peer Counselors' Perceptions About Community Concerns and Solutions. Approach and Limitations." Population And Environmental Psychology Newsletter 7, no. 2 (1980): 20.
MLA ZitierstilDavid, H P., und R L. Johnson. "Teen Problem Pregnancies: Peer Counselors' Perceptions About Community Concerns and Solutions. Approach and Limitations." Population And Environmental Psychology Newsletter, vol. 7, no. 2, 1980, p. 20.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.