Dyfyniad APA

Live, A. H. (1977). Yesterday and today in the U.S.A.: Intermediate ESL reader. Englewood Cliffs, N.J.: Prentice-Hall.

Dyfyniad Arddull Chicago

Live, Anna Harris. Yesterday and Today in the U.S.A.: Intermediate ESL Reader. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

Dyfyniad MLA

Live, Anna Harris. Yesterday and Today in the U.S.A.: Intermediate ESL Reader. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

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