Gaya APA
Wekker, H.
().
a Modern course in english syntax / Herman Wekker, Liliane Haegeman
.
:
Routledge.
Gaya MLA
Wekker, Herman.
"a Modern course in english syntax / Herman Wekker, Liliane Haegeman".
:
Routledge,
.
Referensi.