APA (7th ed.) Citation

(2002). NTC Vocabulary Builders: Orange Book. National Textbook Company.

Chicago Style (17th ed.) Citation

NTC Vocabulary Builders: Orange Book. USA: National Textbook Company, 2002.

MLA (9th ed.) Citation

NTC Vocabulary Builders: Orange Book. National Textbook Company, 2002.

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