Cita APA (7th ed.)

STEVENS MICHAEL. (1990). PRACTICAL PROBLEM SOLVING FOR MANAGERS. UNIVERSAL BOOKS.

Cita Chicago (17th ed.)

STEVENS MICHAEL. PRACTICAL PROBLEM SOLVING FOR MANAGERS. NEW DELHI: UNIVERSAL BOOKS, 1990.

Cita MLA (9th ed.)

STEVENS MICHAEL. PRACTICAL PROBLEM SOLVING FOR MANAGERS. UNIVERSAL BOOKS, 1990.