Gaya APA

Grant, E, L., Leavenworth, R, S. (1988). Statistical Quality Control (6th. Ed, Cet.1). Singapore: McGraw-Hill.

Gaya MLA

Grant, Eugene, L.., Leavenworth, Richard, S.. "Statistical Quality Control". 6th. Ed, Cet.1 Singapore: McGraw-Hill, 1988. Text.