Gaya APA

Koyanagi, R, Y. (1982). Procedure for Routine Analyses and Classification of Seismic Events at The Hawaiian Volcano Observatory Part I . Hawaii National Park: U.S Geological Survey.

Gaya MLA

Koyanagi, Robert, Y.. "Procedure for Routine Analyses and Classification of Seismic Events at The Hawaiian Volcano Observatory Part I". Hawaii National Park: U.S Geological Survey, 1982. Text.