Giulio Maestro Marco Maestro. (1996). What Do You Hear When Cows Sing?
Cita Chicago (17th ed.)Giulio Maestro Marco Maestro. What Do You Hear When Cows Sing? 1996.
Cita MLA (9th ed.)Giulio Maestro Marco Maestro. What Do You Hear When Cows Sing? 1996.
Atenció: Aquestes cites poden no estar 100% correctes.