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.