Gaya APA

Biffen, F, M., Seaman, W. (1956). Modern Instruments in Chemical Analysis, 1st-ed . New York: McGraw-Hill Book Company, Inc.

Gaya MLA

Biffen, Frank, M., Seaman, William. "Modern Instruments in Chemical Analysis, 1st-ed". New York: McGraw-Hill Book Company, Inc, 1956. Text.