Gaya APA

Tannenbaum, B., Stillman, M. (1957). Understanding map : Chartying the land, sea and sky . New York: Mc Graw Hill Book Company Inc..

Gaya MLA

Tannenbaum, Beulah., Stillman, Myra. "Understanding map : Chartying the land, sea and sky". New York: Mc Graw Hill Book Company Inc., 1957. Text.