Cita APA (7a ed.)

(1985). Problem solving and comprehension / Arthur Whimbey, Jack Lochhead.

Cita Chicago Style (17a ed.)

Problem Solving and Comprehension / Arthur Whimbey, Jack Lochhead. 1985.

Cita MLA (9a ed.)

Problem Solving and Comprehension / Arthur Whimbey, Jack Lochhead. 1985.