Dyfyniad APA

Stepp, A., & Bolian, P. (1966). Setting up a science project. Prentice-Hall.

Dyfyniad Arddull Chicago

Stepp, Ann, and Polly Bolian. Setting Up a Science Project. Englewood Cliffs, N.J.: Prentice-Hall, 1966.

Dyfyniad MLA

Stepp, Ann, and Polly Bolian. Setting Up a Science Project. Prentice-Hall, 1966.

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