Leist, N., Kramer, S., & Jonitz, A. (2003). ISTA working sheets on Tetrazolium Testing (1a. ed.). International Seed Testing Association.
Cita Chicago (17th ed.)Leist, Norbert, Stefanie Kramer, i Andrea Jonitz. ISTA Working Sheets on Tetrazolium Testing. 1a. ed. s.l: International Seed Testing Association, 2003.
Cita MLA (9th ed.)Leist, Norbert, et al. ISTA Working Sheets on Tetrazolium Testing. 1a. ed. International Seed Testing Association, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.