APA
Fryer J D Ed, International symposium on integrated control of weeds (1975 : Tokyo) & Matsunak Shooichi Ed. (1977). Proceeding on Integrated control of weeds. Tokyo: Japan Scientific Societies Press.
Chicago
Fryer J D Ed, International symposium on integrated control of weeds (1975 : Tokyo) and Matsunak Shooichi Ed. 1977. Proceeding on Integrated control of weeds. Tokyo: Japan Scientific Societies Press.
Harvard
Fryer J D Ed, International symposium on integrated control of weeds (1975 : Tokyo) and Matsunak Shooichi Ed. (1977). Proceeding on Integrated control of weeds. Tokyo: Japan Scientific Societies Press.
MLA
Fryer J D Ed, International symposium on integrated control of weeds (1975 : Tokyo) and Matsunak Shooichi Ed. Proceeding on Integrated control of weeds. Tokyo: Japan Scientific Societies Press. 1977.
