Gaya APA
Landan, J, D. (1990).
Identification and centre design : using P.I.M. + software / Joan Dora Landan .
:
Prentice-Hall.
Gaya MLA
Landan, Joan, D..
"Identification and centre design : using P.I.M. + software / Joan Dora Landan".
:
Prentice-Hall,
1990.
Textbook.