Heller, R., & Hindle, T. (1998). Essential manager's manual.
Chicago Style (17th ed.) CitationHeller, Robert, and Tim Hindle. Essential Manager's Manual. LondonIbDorling Kindersley, 1998.
MLA (9th ed.) CitationHeller, Robert, and Tim Hindle. Essential Manager's Manual. 1998.
Warning: These citations may not always be 100% accurate.