APA

Perers B., Karlsson B. & Walletun H. (1990). Simulation and evaluation methods for solar energy systems. : .

Chicago

Perers Bengt, Karlsson Bjorn and Walletun Hakan. 1990. Simulation and evaluation methods for solar energy systems. : .

Harvard

Perers B., Karlsson B. and Walletun H. (1990). Simulation and evaluation methods for solar energy systems. : .

MLA

Perers Bengt, Karlsson Bjorn and Walletun Hakan. Simulation and evaluation methods for solar energy systems. : . 1990.