Gaya APA
Wilson, Robin. (2003).
Four Colors Suffice: How The Map Problem Was Solved .
New Jersey:
.
Gaya Chicago
Wilson, Robin.
Four Colors Suffice: How The Map Problem Was Solved.
New Jersey:
,
2003.
Referensi.
Gaya MLA
Wilson, Robin.
Four Colors Suffice: How The Map Problem Was Solved.
New Jersey:
,
2003.
Referensi.
Gaya Turabian
Wilson, Robin.
Four Colors Suffice: How The Map Problem Was Solved.
New Jersey:
,
2003.
Referensi.