Gaya APA
Bolts, Willem. (1775).
.
:
IG Library.
Gaya Chicago
Bolts, Willem.
.
:
IG Library,
1775.
Electronic Resources.
Gaya MLA
Bolts, Willem.
.
:
IG Library,
1775.
Electronic Resources.
Gaya Turabian
Bolts, Willem.
.
:
IG Library,
1775.
Electronic Resources.