Gaya APA

Oster, M, J. (1991). Vision-driven leadership :a clear-sighted approach to growing your organization (Cet. 1). San Bernardio: here life publication.

Gaya MLA

Oster, Merrill, J.. "Vision-driven leadership :a clear-sighted approach to growing your organization". Cet. 1 San Bernardio: here life publication, 1991. Text.