edited by Dell Hymes
Harper & Row, 1966
Buku Teks
Park, Michael Alan, author
Mayfield , 1998
Buku Teks
Park, Michael Alan, author
Mayfield , 2000
Buku Teks
Longman, 1998
Buku Teks
Sonnenschein, William Swan, author
George Routledge and Sons, 1969
Buku Referensi