Cita APA (7a ed.)

Buskirk, R. H. Concepts of business: : an introduction to the business system. Oak Tree Pr.

Cita Chicago Style (17a ed.)

Buskirk, Richard H. Concepts of Business: : An Introduction to the Business System. San Diego, Calif.: Oak Tree Pr.

Cita MLA (9a ed.)

Buskirk, Richard H. Concepts of Business: : An Introduction to the Business System. Oak Tree Pr.