APA

Roy Pernet, . (1989). Notes For Managers (Effective Use Of Time). : .

Chicago

Roy Pernet, . 1989. Notes For Managers (Effective Use Of Time). : .

Harvard

Roy Pernet, . (1989). Notes For Managers (Effective Use Of Time). : .

MLA

Roy Pernet, . Notes For Managers (Effective Use Of Time). : . 1989.