Citazione Stile APA (7a Edizione)

ENG CHUAGOON. (1987). MANAGEMENT OF BUSINESS (4.). MCGRAW-HILL.

Citazione stile Chigago Style (17a edizione)

ENG CHUAGOON. MANAGEMENT OF BUSINESS. 4. SINGAPORE: MCGRAW-HILL, 1987.

Citatione MLA (9a ed.)

ENG CHUAGOON. MANAGEMENT OF BUSINESS. 4. MCGRAW-HILL, 1987.