Citazione Stile APA (7a Edizione)

Ragland, B. (1997). The year 2000 problem solver: A five-step disaster prevention plan. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Ragland, Bryce. The Year 2000 Problem Solver: A Five-step Disaster Prevention Plan. New York ; London: McGraw-Hill, 1997.

Citatione MLA (8a ed.)

Ragland, Bryce. The Year 2000 Problem Solver: A Five-step Disaster Prevention Plan. McGraw-Hill, 1997.