Gaya APA

TUTTLE, D, L., MAGINN, J, L. (1990). Managing Investment Portofolios (1). : Warren,Gorham & Lamont.

Gaya MLA

TUTTLE, Donald, L.., MAGINN, John, L.. "Managing Investment Portofolios". 1 : Warren,Gorham & Lamont, 1990. Textbook.