APA (7th ed.) Citation

Lado, R. (1971). Lado English Series A complete course in english as a second language. Gramedia.

Chicago Style (17th ed.) Citation

Lado, Robert. Lado English Series A Complete Course in English as a Second Language. Gramedia, 1971.

MLA (8th ed.) Citation

Lado, Robert. Lado English Series A Complete Course in English as a Second Language. Gramedia, 1971.

Warning: These citations may not always be 100% accurate.