APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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