Παραπομπή APA

Zapf, H. (1960). About Alphabets: Some Marginal Notes On Type Design. The M.I.T. Press.

Παραπομπή Chicago Style

Zapf, Hermann. About Alphabets: Some Marginal Notes On Type Design. Cambridge: The M.I.T. Press, 1960.

Παραπομπή MLA

Zapf, Hermann. About Alphabets: Some Marginal Notes On Type Design. The M.I.T. Press, 1960.