inc, P. P., & Party, T. L. (1904). pk000172: Whips for labours backs. Capital beating on the back. Black and White.
Cita Chicago (17th ed.)inc, Picture Posters, i The Labour Party. Pk000172: Whips for Labours Backs. Capital Beating on the Back. Black and White. 1904.
Cita MLA (8th ed.)inc, Picture Posters, i The Labour Party. Pk000172: Whips for Labours Backs. Capital Beating on the Back. Black and White. 1904.
Atenció: Aquestes cites poden no estar 100% correctes.