Gaya APA
al., E. et al (2013).
Reviews In Chemical Engineering Volume 29 Number 2 2013 [baru] .
Boston:
Walter de Gruyter GmbH.
Gaya MLA
al., Et. et al.
"Reviews In Chemical Engineering Volume 29 Number 2 2013 [baru]".
Boston:
Walter de Gruyter GmbH,
2013.
Text.