ANDERSON, B. (1990). GEM TESTING. BUTTERWORTH.
Cita Chicago Style (17a ed.)ANDERSON, B.W. GEM TESTING. NEW DELHI: BUTTERWORTH, 1990.
Cita MLA (9a ed.)ANDERSON, B.W. GEM TESTING. BUTTERWORTH, 1990.
Precaución: Estas citas no son 100% exactas.
ANDERSON, B. (1990). GEM TESTING. BUTTERWORTH.
Cita Chicago Style (17a ed.)ANDERSON, B.W. GEM TESTING. NEW DELHI: BUTTERWORTH, 1990.
Cita MLA (9a ed.)ANDERSON, B.W. GEM TESTING. BUTTERWORTH, 1990.