APA (7th ed.) Citation

Haapala, H. E. (1995). Position dependent control (PDC) of plant production. Univ., Dep. of Agricultural Engineering and Household Technology.

Chicago Style (17th ed.) Citation

Haapala, Hannu E. Position Dependent Control (PDC) of Plant Production. Helsinki: Univ., Dep. of Agricultural Engineering and Household Technology, 1995.

MLA (9th ed.) Citation

Haapala, Hannu E. Position Dependent Control (PDC) of Plant Production. Univ., Dep. of Agricultural Engineering and Household Technology, 1995.