Leadership theory ; past, present, and future directions

http://deepblue.lib.umich.edu/bitstream/2027.42/35388/2/b1372488.0001.001.pdfhttp://deepblue.lib.umich.edu/bitstream/2027.42/35388/1/b1372488.0001.001.tx

The Navy and theory Y management

http://deepblue.lib.umich.edu/bitstream/2027.42/35389/2/b1372907.0001.001.pdfhttp://deepblue.lib.umich.edu/bitstream/2027.42/35389/1/b1372907.0001.001.tx

Participative management : a managerial perspective

http://deepblue.lib.umich.edu/bitstream/2027.42/35390/2/b1372890.0001.001.pdfhttp://deepblue.lib.umich.edu/bitstream/2027.42/35390/1/b1372890.0001.001.tx