Cita APA (7th ed.)

(2005). Ants, bikes, & clocks: Problem solving for undergraduates / William Briggs.

Cita Chicago (17th ed.)

Ants, Bikes, & Clocks: Problem Solving for Undergraduates / William Briggs. 2005.

Cita MLA (9th ed.)

Ants, Bikes, & Clocks: Problem Solving for Undergraduates / William Briggs. 2005.

Atenció: Aquestes cites poden no estar 100% correctes.