Dyfyniad APA

Dixson, R. J., & Boggs, R. S. Sound teaching a laboratory manual of American english.

Dyfyniad Arddull Chicago

Dixson, Robert J., and Ralph S. Boggs. Sound Teaching a Laboratory Manual of American English.

Dyfyniad MLA

Dixson, Robert J., and Ralph S. Boggs. Sound Teaching a Laboratory Manual of American English.

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