Gaya APA

Summerfield, M, R. (2014). Article - Leadership: A simple definition Volume 71, Isu 3, Februari 2014 (Halaman 251–253) (Volume 71, Isu 3, Februari 2014 (Halaman 251–253)). : Oxford University Press.

Gaya MLA

Summerfield, Marc, R.. "Article - Leadership: A simple definition Volume 71, Isu 3, Februari 2014 (Halaman 251–253)". Volume 71, Isu 3, Februari 2014 (Halaman 251–253) : Oxford University Press, 2014. Electronic Resource.