Lawrence Hall of Science, GEMS (Project), & Barber, J. (1997). GEMS leader's handbook. Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLawrence Hall of Science, GEMS (Project), এবং Jacqueline Barber. GEMS Leader's Handbook. Berkeley, CA: Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California, 1997.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিLawrence Hall of Science, et al. GEMS Leader's Handbook. Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California, 1997.
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