Citazione Stile APA (7a Edizione)

Gray,J.S, & Needles Belverd E. (1999). Financial Accounting: A global approach. Houghton Mifflin company.

Citazione stile Chigago Style (17a edizione)

Gray,J.S, e Needles Belverd E. Financial Accounting: A Global Approach. New York: Houghton Mifflin company, 1999.

Citatione MLA (9a ed.)

Gray,J.S, e Needles Belverd E. Financial Accounting: A Global Approach. Houghton Mifflin company, 1999.