Gaya APA

Cunningham, W, G. (2010). Educational Leadership : A Problem - Based Approach / William G. Cunningham (ed. 4). USA: Cram 101,Inc..

Gaya MLA

Cunningham, William, G.. "Educational Leadership : A Problem - Based Approach / William G. Cunningham". ed. 4 USA: Cram 101,Inc., 2010. Buku.