Gaya APA

Blackburn, P, D, P. (2006). Seven Secret of Inspired Leaders (Cet. 1). : 978-979-033-807-4.

Gaya MLA

Blackburn, Phil, Dourado,, Phil. "Seven Secret of Inspired Leaders". Cet. 1 : 978-979-033-807-4, 2006. Text.