APA
Hallikainen P., Tervola V. & Välinoro T. (1977). Mathematical programming model for planning regional holiday housing. Esbo: Valtion Teknillinen Tutkimuskeskus. Building Technology and Community Development. Publication nr 12.
Chicago
Hallikainen P, Tervola V and Välinoro T. 1977. Mathematical programming model for planning regional holiday housing. Esbo: Valtion Teknillinen Tutkimuskeskus. Building Technology and Community Development. Publication nr 12.
Harvard
Hallikainen P., Tervola V. and Välinoro T. (1977). Mathematical programming model for planning regional holiday housing. Esbo: Valtion Teknillinen Tutkimuskeskus. Building Technology and Community Development. Publication nr 12.
MLA
Hallikainen P, Tervola V and Välinoro T. Mathematical programming model for planning regional holiday housing. Esbo: Valtion Teknillinen Tutkimuskeskus. Building Technology and Community Development. Publication nr 12. 1977.