Dyfyniad APA

Research and Education Association & Uhland, W. (1991). The best test preparation for the College Board achievement test in chemistry. Research & Education Association.

Dyfyniad Arddull Chicago

Research and Education Association and William Uhland. The Best Test Preparation for the College Board Achievement Test in Chemistry. Piscataway, N.J.: Research & Education Association, 1991.

Dyfyniad MLA

Research and Education Association and William Uhland. The Best Test Preparation for the College Board Achievement Test in Chemistry. Research & Education Association, 1991.

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