Cita APA (7a ed.)

PORRAS JERRY I. (1988). DICTIONARY OF STATISTICS. COLLINS.

Cita Chicago Style (17a ed.)

PORRAS JERRY I. DICTIONARY OF STATISTICS. BOMBAY: COLLINS, 1988.

Cita MLA (9a ed.)

PORRAS JERRY I. DICTIONARY OF STATISTICS. COLLINS, 1988.