APA (7th ed.) Citation

Fried-Booth D. L. Diana L. (1997). Focus on P.E.T. Longman, 1997.

Chicago Style (17th ed.) Citation

Fried-Booth D. L. Diana L. Focus on P.E.T. Longman, 1997, 1997.

MLA (9th ed.) Citation

Fried-Booth D. L. Diana L. Focus on P.E.T. Longman, 1997, 1997.

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