APA Style
Fenwick, Helen. ().
McGraw-Hill encyclopedia of science and technology .
:
.
Chicago Style
Fenwick, Helen.
McGraw-Hill encyclopedia of science and technology.
:
,
.
.
MLA Style
Fenwick, Helen.
McGraw-Hill encyclopedia of science and technology.
:
,
.
.
Turabian Style
Fenwick, Helen.
McGraw-Hill encyclopedia of science and technology.
:
,
.
.