Gaya APA
Johannes Boshoom. (1977).
Gravenhage:
Martinus Nijhoff.
Gaya Chicago
Johannes Boshoom.
.
Gravenhage:
Martinus Nijhoff,
1977.
Buku.
Gaya MLA
Johannes Boshoom.
.
Gravenhage:
Martinus Nijhoff,
1977.
Buku.
Gaya Turabian
Johannes Boshoom.
Gravenhage:
Martinus Nijhoff,
1977.
Buku.