Gaya APA
R.Spiegel, M. (1981).
Vector Analysis And Introduction To Tensor Analysis Si Metric Edition (Ed.1).
Singapur:
McGraw-Hill.
Gaya MLA
R.Spiegel, Murray.
"Vector Analysis And Introduction To Tensor Analysis Si Metric Edition".
Ed.1
Singapur:
McGraw-Hill,
1981.
Buku TM.