APA Style

LADO, Robert. (). LADO English Series 4 . : New Jersey: Prentice Hall, 1990.

Chicago Style

LADO, Robert. LADO English Series 4. : New Jersey: Prentice Hall, 1990, . BOOKS.

MLA Style

LADO, Robert. LADO English Series 4. : New Jersey: Prentice Hall, 1990, . BOOKS.

Turabian Style

LADO, Robert. LADO English Series 4. : New Jersey: Prentice Hall, 1990, . BOOKS.