APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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