APA (7th ed.) Citation

Pepperell, D. (1988). Who says so ?: Problem solving and communication skills. Hutchinson Education.

Chicago Style (17th ed.) Citation

Pepperell, Don. Who Says so ?: Problem Solving and Communication Skills. London: Hutchinson Education, 1988.

MLA (9th ed.) Citation

Pepperell, Don. Who Says so ?: Problem Solving and Communication Skills. Hutchinson Education, 1988.

Warning: These citations may not always be 100% accurate.