Gaya APA
N.M.Waldron, B, S, &. (1980).
Vogel's Elementary Practical Organics Chemistry I preparation (3).
New York:
Longman Group Limited.
Gaya MLA
N.M.Waldron, B.V., Smith, &.
"Vogel's Elementary Practical Organics Chemistry I preparation".
3
New York:
Longman Group Limited,
1980.
Text.