APA Style

LADO, Robert. (). LADO English Series 5: Unit 1 & 2 . : Singapore: Prentice Hall Regents, 1990.

Chicago Style

LADO, Robert. LADO English Series 5: Unit 1 & 2. : Singapore: Prentice Hall Regents, 1990, . BOOKS.

MLA Style

LADO, Robert. LADO English Series 5: Unit 1 & 2. : Singapore: Prentice Hall Regents, 1990, . BOOKS.

Turabian Style

LADO, Robert. LADO English Series 5: Unit 1 & 2. : Singapore: Prentice Hall Regents, 1990, . BOOKS.