APA

Lindenfield G., . (1996). Self motivation. London: Thorsons.

Chicago

Lindenfield Gael, . 1996. Self motivation. London: Thorsons.

Harvard

Lindenfield G., . (1996). Self motivation. London: Thorsons.

MLA

Lindenfield Gael, . Self motivation. London: Thorsons. 1996.