Gaya APA

Platt, J, T., Platt, H, K. (1975). The social significance of speech: anintroduction to and workbook in sociolinguistics . Amsterdam: North-Holland Publishing Company.

Gaya MLA

Platt, John, T.., Platt, Heidi, K.. "The social significance of speech: anintroduction to and workbook in sociolinguistics". Amsterdam: North-Holland Publishing Company, 1975. Text.