Dyfyniad APA

Dougall, H. E. (1973). Investments (9th ed.). Prentice-Hall of India.

Dyfyniad Arddull Chicago

Dougall, Herbert Edward. Investments. 9th ed. NEw Jersey: Prentice-Hall of India, 1973.

Dyfyniad MLA

Dougall, Herbert Edward. Investments. 9th ed. Prentice-Hall of India, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.