Gaya APA

Coussens.Christine, ., Martinez.Rose.Marie, . (2013). Health Impact Assessment of shale gas extraction (E-Book) . United States of America: the national academis press.

Gaya MLA

Coussens.Christine, ., Martinez.Rose.Marie, . "Health Impact Assessment of shale gas extraction (E-Book)". United States of America: the national academis press, 2013. E-book.