Παραπομπή APA

Eliyahu M Goldratt. (2010). Isn't It Obvious. Madras.

Παραπομπή Chicago Style

Eliyahu M Goldratt. Isn't It Obvious. Madras, 2010.

Παραπομπή MLA

Eliyahu M Goldratt. Isn't It Obvious. Madras, 2010.