Gaya APA
van Valkenburg, M. E.. (1985).
Network analysis (Third edition).
New Delhi:
Prentice-Hall.
Gaya Chicago
van Valkenburg, M. E..
Network analysis.
Third edition
New Delhi:
Prentice-Hall,
1985.
Buku Ketenaganukliran.
Gaya MLA
van Valkenburg, M. E..
Network analysis.
Third edition
New Delhi:
Prentice-Hall,
1985.
Buku Ketenaganukliran.
Gaya Turabian
van Valkenburg, M. E..
Network analysis.
Third edition
New Delhi:
Prentice-Hall,
1985.
Buku Ketenaganukliran.