APA
Taubertt S., Weidhaas P., . (1981). The Book Trade of the World. New York: .
Chicago
Taubertt Sigfred, Weidhaas Peter, . 1981. The Book Trade of the World. New York: .
Harvard
Taubertt S., Weidhaas P., . (1981). The Book Trade of the World. New York: .
MLA
Taubertt Sigfred, Weidhaas Peter, . The Book Trade of the World. New York: . 1981.
