Gaya APA
helgaker, trygve. (1999).
molecular electronic structure theory .
:
John Wiley and Sons.
Gaya Chicago
helgaker, trygve.
molecular electronic structure theory.
:
John Wiley and Sons,
1999.
Text.
Gaya MLA
helgaker, trygve.
molecular electronic structure theory.
:
John Wiley and Sons,
1999.
Text.
Gaya Turabian
helgaker, trygve.
molecular electronic structure theory.
:
John Wiley and Sons,
1999.
Print.