Dyfyniad APA

Semer-Purzycki, J. (1989). A practical guide to travel fares and ticketing. Delmar Publishers.

Dyfyniad Arddull Chicago

Semer-Purzycki, Jeanne. A Practical Guide to Travel Fares and Ticketing. Albany, N.Y: Delmar Publishers, 1989.

Dyfyniad MLA

Semer-Purzycki, Jeanne. A Practical Guide to Travel Fares and Ticketing. Delmar Publishers, 1989.

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