Cita APA (7th ed.)
Fisher, P. (1995). NTC vocabulary builders. NTC Pub. Group.
Cita Chicago (17th ed.)
Fisher, Peter. NTC Vocabulary Builders. Lincolnwood, Ill.: NTC Pub. Group, 1995.
Cita MLA (9th ed.)
Fisher, Peter. NTC Vocabulary Builders. NTC Pub. Group, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.