GEMS leader's handbook /
Jacqueline Barber [and others].
APA Citation
Barber, J., GEMS (Project)., Lawrence Hall of Science. (1988). GEMS leader's handbook. Reprinted with revisions. Berkeley, Calif.: Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California.
MLA Citation
Barber, Jacqueline, GEMS (Project), and Lawrence Hall of Science. GEMS Leader's Handbook. Reprinted with revisions. Berkeley, Calif.: Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California, 1988.
Warning: These citations may not always be complete (especially for serials).