Cita APA (7a ed.)

Powell, T. C. (1993). Administrative skill as competitive advantage: Extending Porter's analytical framework. [s.n.].

Cita Chicago Style (17a ed.)

Powell, Thomas C. Administrative Skill as Competitive Advantage: Extending Porter's Analytical Framework. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Powell, Thomas C. Administrative Skill as Competitive Advantage: Extending Porter's Analytical Framework. [s.n.], 1993.