Gaya APA
Yeung, A, K., Hall, G, B. (2007).
SPATIAL DATABASE SYSTEMS: Design, Implementation and Project Management .
Netherlands:
Springer.
Gaya MLA
Yeung, Albert, K.W.., Hall, G., Brent.
"SPATIAL DATABASE SYSTEMS: Design, Implementation and Project Management".
Netherlands:
Springer,
2007.
Text.