Petikan APA

Circum-Pacific Map Project., Geological Survey (U.S.), Circum-Pacific Council for Energy and Mineral Resources., Sidlauskas, F. J., & Lockwood, M. (1990). Natural hazards map of the Circum-Pacific region, Pacific basin sheet. Reston, Va.: The Survey.

Petikan Gaya Chicago

Circum-Pacific Map Project., Geological Survey (U.S.), Circum-Pacific Council for Energy and Mineral Resources, Frank J. Sidlauskas, and Millington Lockwood. Natural Hazards Map of the Circum-Pacific Region, Pacific Basin Sheet. Reston, Va.: The Survey, 1990.

Petikan MLA

Circum-Pacific Map Project., et al. Natural Hazards Map of the Circum-Pacific Region, Pacific Basin Sheet. Reston, Va.: The Survey, 1990.