Dyfyniad APA

Grabowski, W. (1972). Lexicographic and time minimization in the transportation problem. PKiN.

Dyfyniad Arddull Chicago

Grabowski, Wiesław. Lexicographic and Time Minimization in the Transportation Problem. Warszawa: PKiN, 1972.

Dyfyniad MLA

Grabowski, Wiesław. Lexicographic and Time Minimization in the Transportation Problem. PKiN, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.