Gaya APA
Mood and modality. (1986).
Cambridge:
Cambridge University Press.
Gaya Chicago
Mood and modality.
.
Cambridge:
Cambridge University Press,
1986.
Buku.
Gaya MLA
Mood and modality.
.
Cambridge:
Cambridge University Press,
1986.
Buku.
Gaya Turabian
Mood and modality.
Cambridge:
Cambridge University Press,
1986.
Buku.