Williams, Stephen
Outdoor recreation and the urban environment / Stephen Williams
Routledge , 1995
 Buku Teks
France, R. L. (Robert Lawrence), auhtor
Environmental restoration and design for recreation and ecotourism
CRC Press, 2012
 Buku Teks
Sibarani, Humisar
Kajian design outdoor temperatur dan humidity untuk sistem tata udara
Fakultas Teknik Universitas Indonesia, 1993
 UI - Skripsi Membership
Hutapea, Welton
Kajian design outdoor temperatur dan kelembaban Jakarta untuk sistem tata udara
1998
 UI - Skripsi Membership
Brightbill, Charles K.
Recreation Text and Readings
Prentice-Hall, 1953
 Buku Teks