Gaya APA

Ryff, Peter F.. (1994). Electric Machinery (2nd ed). New Jersey: Prentice Hall.

Gaya Chicago

Ryff, Peter F.. Electric Machinery. 2nd ed New Jersey: Prentice Hall, 1994. .

Gaya MLA

Ryff, Peter F.. Electric Machinery. 2nd ed New Jersey: Prentice Hall, 1994. .

Gaya Turabian

Ryff, Peter F.. Electric Machinery. 2nd ed New Jersey: Prentice Hall, 1994. .