Παραπομπή σε μορφή APA (7η εκδ.)

Jacobson, A. (1992). Think, think, think now!: Material and methods for problem solving. Phoenix Pub.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Jacobson, Andrew. Think, Think, Think Now!: Material and Methods for Problem Solving. Quezon City: Phoenix Pub, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Jacobson, Andrew. Think, Think, Think Now!: Material and Methods for Problem Solving. Phoenix Pub, 1992.