Παραπομπή σε μορφή APA (7η εκδ.)

WILSON, R. J. (1990). Graphs An Introductory Approach: A First Course In Discrete Mathemathics Robin J. Wilson , John J. Watkins. John Willey & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

WILSON, Robin J. Graphs An Introductory Approach: A First Course In Discrete Mathemathics Robin J. Wilson , John J. Watkins. John Willey & Sons, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

WILSON, Robin J. Graphs An Introductory Approach: A First Course In Discrete Mathemathics Robin J. Wilson , John J. Watkins. John Willey & Sons, 1990.