John Pulparampil. (1994). Quality circle pravarthanam (m). EGMI Services.
Chicago Edition CitationJohn Pulparampil. Quality Circle Pravarthanam (m). TVPM: EGMI Services, 1994.
Cita MLAJohn Pulparampil. Quality Circle Pravarthanam (m). EGMI Services, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.