Citazione Stile APA (7a Edizione)

(1973). Environmental Education, Abstracts and Index from Research in Education from 1966 to 1972 for Microfiche Library.

Citazione stile Chigago Style (17a edizione)

Environmental Education, Abstracts and Index from Research in Education from 1966 to 1972 for Microfiche Library. 1973.

Citatione MLA (9a ed.)

Environmental Education, Abstracts and Index from Research in Education from 1966 to 1972 for Microfiche Library. 1973.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.