APA (7 ম সংস্করণ) উদ্ধৃতি

Lord, T. R., & Travis, H. J. (2011). Schoolyard science: 101 easy and inexpensive activities. National Science Teachers Association.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Lord, Thomas R., এবং Holly J. Travis. Schoolyard Science: 101 Easy and Inexpensive Activities. Arlington, Va.: National Science Teachers Association, 2011.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Lord, Thomas R., এবং Holly J. Travis. Schoolyard Science: 101 Easy and Inexpensive Activities. National Science Teachers Association, 2011.