APA (7e ed.) Bronvermelding

Levering, M. (1906). Is the operation of the twenty-eight hour unloading law humane?

Chicago (17e ed.) Bronvermelding

Levering, Mortimer. Is the Operation of the Twenty-eight Hour Unloading Law Humane? [n.p.], 1906.

MLA (8e ed.) Bronvermelding

Levering, Mortimer. Is the Operation of the Twenty-eight Hour Unloading Law Humane? 1906.