Gaya APA
Shi, N. et al (2009).
Remarkable hexagonal carbon tubes transformed from zinc tetrapyridylporphine .
London:
Elsevier Ltd..
Gaya MLA
Shi, Naien. et al.
"Remarkable hexagonal carbon tubes transformed from zinc tetrapyridylporphine".
London:
Elsevier Ltd.,
2009.
e-journal.