Tohutoro APA (7th ed.)

Letchford, S. (1994). Statistics for accountants. Chapman and Hall.

Tohutoru Kātū Chicago (17th ed.)

Letchford, Stanley. Statistics for Accountants. Londres: Chapman and Hall, 1994.

Tohutoro MLA (9th ed.)

Letchford, Stanley. Statistics for Accountants. Chapman and Hall, 1994.