Gaya APA
Frank, M. (1972).
Modern English parti I part of speech: exercises for non-native speakers / Marcella Frank (Cet.ke-19).
:
Prentice-Hall.
Gaya MLA
Frank, Marcella.
"Modern English parti I part of speech: exercises for non-native speakers / Marcella Frank".
Cet.ke-19
:
Prentice-Hall,
1972.
Referensi.