Heiges, P. M., Schneider, A. E., & Huffman, H. (1954). General record keeping. Gregg Pub. Division, McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Heiges, Peter Myers, Arnold E. Schneider, e Harry Huffman. General Record Keeping. New York: Gregg Pub. Division, McGraw-Hill, 1954.
Citatione MLA (9a ed.)Heiges, Peter Myers, et al. General Record Keeping. Gregg Pub. Division, McGraw-Hill, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.