Gaya APA

George, E, F., Sherrington, P, D. (1984). Plant Propagation by Tissue Culture : Handbook and Directory of Commercial Laboratories . Basingstoke: Exegetics Limited.

Gaya MLA

George, Edwin, F., Sherrington, Paul, D. "Plant Propagation by Tissue Culture : Handbook and Directory of Commercial Laboratories". Basingstoke: Exegetics Limited, 1984. .