Gaya APA
SMITH, B., WALDRON, N. (1957).
VOGEL'S ELEMENTARY PRACTICAL ORGANIC CHEMISTRY 1 PREPERATIONS .
amerika serikat:
Longman inc.
Gaya MLA
SMITH, B.V., WALDRON, N,M.
"VOGEL'S ELEMENTARY PRACTICAL ORGANIC CHEMISTRY 1 PREPERATIONS".
amerika serikat:
Longman inc,
1957.
Text.