Gutin, G. e., & Punnen, A. P. (2002). Travelling salesman problem and its variations. Kluwer Academic.
استشهاد بنمط شيكاغوGutin, Gregory ed, و Abraham P. Punnen. Travelling Salesman Problem and Its Variations. Boston: Kluwer Academic, 2002.
MLA استشهادGutin, Gregory ed, و Abraham P. Punnen. Travelling Salesman Problem and Its Variations. Kluwer Academic, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.