Gaya APA

T., H, , H. et al (1981). Plant Science : Growth Development and Utilization of Cultivated Plants . New Jersey: Prentice-Hall.Inc.

Gaya MLA

T., Hartmann, , Hudson. et al. "Plant Science : Growth Development and Utilization of Cultivated Plants". New Jersey: Prentice-Hall.Inc, 1981. Text.