Dyfyniad APA

J Beller. Experimenting with plants: Projects for home, garden and classroom. New Jersey: Prentice-Hall.

Dyfyniad Arddull Chicago

J Beller. Experimenting With Plants: Projects for Home, Garden and Classroom. New Jersey: Prentice-Hall.

Dyfyniad MLA

J Beller. Experimenting With Plants: Projects for Home, Garden and Classroom. New Jersey: Prentice-Hall.

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