Gaya APA

Fundamentals and approaches in the development of environmental education. (1982). Jakarta: Pusat Studi Lingkungan PerguruanTinggi Seluruh Indonesia.

Gaya MLA

Fundamentals and approaches in the development of environmental education. . Jakarta: Pusat Studi Lingkungan PerguruanTinggi Seluruh Indonesia, 1982. Artikel.