Gaya APA
Stahl, E., Ashworth, M. (1969).
Thin Layer Chromatography : A Laboratory Manual. Vol. 2 (2nd.ed).
New York:
Springer Verlag.
Gaya MLA
Stahl, Egon., Ashworth, M.R.F.
"Thin Layer Chromatography : A Laboratory Manual. Vol. 2".
2nd.ed
New York:
Springer Verlag,
1969.
Text.