Gaya APA

Caldwell, B, E, N, J, ;, H, R, A, ;, J, C. (1990). Principles of accounting (ed. 4). New Jersey: Houghton Mifflin Company Boston.

Gaya MLA

Caldwell, Belverd, E., Needles,, Jr., ;, Henry, R., Anderson, ;, James, C.. "Principles of accounting". ed. 4 New Jersey: Houghton Mifflin Company Boston, 1990. Text.