Forte, I. (1992). Cooperative learning teacher timesavers: Ready-to-use projects, plans, aids, & ideas. Incentive Publications.
Čikaški stil citiranja (17. izdanje)Forte, Imogene. Cooperative Learning Teacher Timesavers: Ready-to-use Projects, Plans, Aids, & Ideas. Nashville, Tenn: Incentive Publications, 1992.
MLA način citiranja (9. izdanje)Forte, Imogene. Cooperative Learning Teacher Timesavers: Ready-to-use Projects, Plans, Aids, & Ideas. Incentive Publications, 1992.
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