Παραπομπή APA

Stake, R. E. (1995). Art of case study research (1st.). Sage.

Παραπομπή Chicago Style

Stake, Robert E. Art of Case Study Research. 1st. London: Sage, 1995.

Παραπομπή MLA

Stake, Robert E. Art of Case Study Research. 1st. Sage, 1995.