Gaya APA
UNGAR, A, A., KRANTS, S, G, (. (2009).
A gyrovector space approach to hyperbolic geometry .
California:
Morgan & Claypool.
Gaya MLA
UNGAR, Abraham, Albert., KRANTS, Steven, G, (ed).
"A gyrovector space approach to hyperbolic geometry".
California:
Morgan & Claypool,
2009.
Buku.