Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1991). Process and Chemical Engineering. Royal Society of Chemistry.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Process and Chemical Engineering. Cambridge, Inglaterra: Royal Society of Chemistry, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Process and Chemical Engineering. Royal Society of Chemistry, 1991.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.