Dyfyniad APA

Collier, J. R. (1968). Effective long range business planning. Prentice Hall.

Dyfyniad Arddull Chicago

Collier, James R. Effective Long Range Business Planning. New Jersey: Prentice Hall, 1968.

Dyfyniad MLA

Collier, James R. Effective Long Range Business Planning. Prentice Hall, 1968.

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