Dyfyniad APA
Lawrence, R. R., & Richards, H. E. (1953). Principles of alternating-current machinery (4th ed.). McGraw-Hill Book.
Dyfyniad Arddull Chicago
Lawrence, Ralph R., and Henry E. Richards. Principles of Alternating-current Machinery. 4th ed. New York: McGraw-Hill Book, 1953.
Dyfyniad MLA
Lawrence, Ralph R., and Henry E. Richards. Principles of Alternating-current Machinery. 4th ed. McGraw-Hill Book, 1953.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.