Cita APA (7th ed.)

HUFFMAN, H., & STEWART, J. R. (1981). General recordkeeping.--Ed.8. McGraw-Hill.

Cita Chicago (17th ed.)

HUFFMAN, Harry, i Jeffrey R. STEWART. General Recordkeeping.--Ed.8. New York: McGraw-Hill, 1981.

Cita MLA (9th ed.)

HUFFMAN, Harry, i Jeffrey R. STEWART. General Recordkeeping.--Ed.8. McGraw-Hill, 1981.