Gaya APA
SPURGEON, M.
(2000).
THE BIG BOOK OF EXPERIMENTS AN ENCYCLOPEDIA OF SCIENCE
(
1)
.
ENGLAND:
BROWN WATSON.
Gaya MLA
SPURGEON, MAUREEN.
"THE BIG BOOK OF EXPERIMENTS AN ENCYCLOPEDIA OF SCIENCE".
1
ENGLAND:
BROWN WATSON,
2000.
Text.