Gaya APA

Langer, William L.. (1972). An Encyclopedia Of World History (VI. The First World War And The Inter-War Period, 1914-1939 - VIII. The Recent Period) . Boston: Houghton Mifflin Company.

Gaya Chicago

Langer, William L.. An Encyclopedia Of World History (VI. The First World War And The Inter-War Period, 1914-1939 - VIII. The Recent Period). Boston: Houghton Mifflin Company, 1972. Text.

Gaya MLA

Langer, William L.. An Encyclopedia Of World History (VI. The First World War And The Inter-War Period, 1914-1939 - VIII. The Recent Period). Boston: Houghton Mifflin Company, 1972. Text.

Gaya Turabian

Langer, William L.. An Encyclopedia Of World History (VI. The First World War And The Inter-War Period, 1914-1939 - VIII. The Recent Period). Boston: Houghton Mifflin Company, 1972. Print.