Gaya APA

HARTEIS, R. (1989). Marathon: A Story Of Endurance and Friendship (FIRST EDITION). New York: W.W. NORTON & COMPANY, INC..

Gaya MLA

HARTEIS, Richard. "Marathon: A Story Of Endurance and Friendship". FIRST EDITION New York: W.W. NORTON & COMPANY, INC., 1989. UMUM.