APA (7 ম সংস্করণ) উদ্ধৃতি

Heimler, C. H., & Kaskel, A. (1974). Life science: Activity-centered program : teacher's guide : guideline for 110 experiments and activities ([2d ed.].). C.E. Merrill.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Heimler, Charles H., এবং Albert Kaskel. Life Science: Activity-centered Program : Teacher's Guide : Guideline for 110 Experiments and Activities. [2d ed.]. Columbus, Ohio: C.E. Merrill, 1974.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Heimler, Charles H., এবং Albert Kaskel. Life Science: Activity-centered Program : Teacher's Guide : Guideline for 110 Experiments and Activities. [2d ed.]. C.E. Merrill, 1974.