APA aipamena

Sperry Gyroscope Company Inc. Gyro-compass and gyro-pilot manual. N.Y.

Chicago Style aipamena

Sperry Gyroscope Company Inc. Gyro-compass and Gyro-pilot Manual. Brooklyn: N.Y.

MLA aipamena

Sperry Gyroscope Company Inc. Gyro-compass and Gyro-pilot Manual. N.Y.

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