Gaya APA
Semer-Purzycki, J. (1994).
A Practical Guide to Fares and Ticketing (2nd edition).
New York:
Delmar Publishers Inc..
Gaya MLA
Semer-Purzycki, Jeanne.
"A Practical Guide to Fares and Ticketing".
2nd edition
New York:
Delmar Publishers Inc.,
1994.
BUKU.