Gaya APA

Lake, S., Evans, G. (1986). Modern English: Listening And Speaking Students' Book Grade 1 . London: Macmillan Pulishers and China HEP.

Gaya MLA

Lake, S., Evans, G.R.. "Modern English: Listening And Speaking Students' Book Grade 1". London: Macmillan Pulishers and China HEP, 1986. .