APA
(2014). Methane hydrate – a new energy source?. Hamburg: Maribus GmbH.
Chicago
2014. Methane hydrate – a new energy source?. Hamburg: Maribus GmbH.
Harvard
(2014). Methane hydrate – a new energy source?. Hamburg: Maribus GmbH.
MLA
Methane hydrate – a new energy source?. Hamburg: Maribus GmbH. 2014.