Παραπομπή APA

Hampden, J., & Unwin, S. (1957). The book world today: A new survey of the making and distribution of books in Britain. London: Allen & Unwin.

Παραπομπή Chicago Style

Hampden, John, and Stanley Unwin. The Book World Today: A New Survey of the Making and Distribution of Books in Britain. London: Allen & Unwin, 1957.

Παραπομπή MLA

Hampden, John, and Stanley Unwin. The Book World Today: A New Survey of the Making and Distribution of Books in Britain. London: Allen & Unwin, 1957.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.