Παραπομπή APA

Armarego, W., & Perrin, D. (1997). Purification of laboratory chemicals (4th ed.). Butterworth - Heineman.

Παραπομπή Chicago Style

Armarego, W.L.F, και D.D Perrin. Purification of Laboratory Chemicals. 4th ed. Oxford: Butterworth - Heineman, 1997.

Παραπομπή MLA

Armarego, W.L.F, και D.D Perrin. Purification of Laboratory Chemicals. 4th ed. Butterworth - Heineman, 1997.