Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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