Guthmann, H. G., & Dougall, H. E. (1955). Corporate financial policy (3d ed.). Prentice-Hall.
Cita Chicago (17th ed.)Guthmann, Harry George, i Herbert Edward Dougall. Corporate Financial Policy. 3d ed. Englewood Cliffs, N.J: Prentice-Hall, 1955.
Cita MLA (9th ed.)Guthmann, Harry George, i Herbert Edward Dougall. Corporate Financial Policy. 3d ed. Prentice-Hall, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.