Dyfyniad APA

ROLLER, D. (1989). How To Make Big Money In Multilevel Marketing. Prentice-Hall.

Dyfyniad Arddull Chicago

ROLLER, David. How To Make Big Money In Multilevel Marketing. Prentice-Hall, 1989.

Dyfyniad MLA

ROLLER, David. How To Make Big Money In Multilevel Marketing. Prentice-Hall, 1989.

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