APA-čujuhus (7. p.)

Kramer, S. E. S. Great Cities of the United States Historical, Descriptive, Commercial, Industrial.

Chicago-čujuhus (17. p.)

Kramer, Stephen Elliott; Southworth. Great Cities of the United States Historical, Descriptive, Commercial, Industrial.

MLA-čujuhus (9. p.)

Kramer, Stephen Elliott; Southworth. Great Cities of the United States Historical, Descriptive, Commercial, Industrial.

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