Cytowanie według stylu APA (wyd. 7)

Norback, C. T., & Norback, P. G. (1979). The must words: The 6000 most important words for a successful and profitable vocabulary. McGraw-Hill.

Cytowanie według stylu Chicago (wyd. 17)

Norback, Craig T., i Peter G. Norback. The Must Words: The 6000 Most Important Words for a Successful and Profitable Vocabulary. New York: McGraw-Hill, 1979.

Cytowanie według stylu MLA (wyd. 8)

Norback, Craig T., i Peter G. Norback. The Must Words: The 6000 Most Important Words for a Successful and Profitable Vocabulary. McGraw-Hill, 1979.