Gaya APA

Swanson, C, P. (1987). Regional seminar on the strategy for inclusion of environmental education ì at university level, Yogyakarta, Indonesia 29 June-4 July 1987 . Jakarta: .

Gaya MLA

Swanson, Carl, P.. "Regional seminar on the strategy for inclusion of environmental education ì at university level, Yogyakarta, Indonesia 29 June-4 July 1987". Jakarta: , 1987. Text.