Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.