Johnson, J. (1933). The printer, his customers and his men. Dent.
Παραπομπή σε μορφή Chicago (17η εκδ.)Johnson, John. The Printer, His Customers and His Men. London: Dent, 1933.
Παραπομπή σε μορφή MLA (8th εκδ.)Johnson, John. The Printer, His Customers and His Men. Dent, 1933.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.