Gaya APA
DUddek, ., Dietrich, . (1989).
structure Elucidation by Modern NMR .
New York:
Steinkopff Verlag Darmstadt Springer-Verlag New York.
Gaya MLA
DUddek, ., Dietrich, .
"structure Elucidation by Modern NMR".
New York:
Steinkopff Verlag Darmstadt Springer-Verlag New York,
1989.
Text.