Gaya APA
Robertson, G, D, J. et al (1970).
Medical Electronic Equipment 1969 - 70 : Laboratory System and Equipment ( Analytical ) Vol III .
Oxford:
Pergamon Press.
Gaya MLA
Robertson, G.W.A, Dummer,, J.Mackenzie. et al.
"Medical Electronic Equipment 1969 - 70 : Laboratory System and Equipment ( Analytical ) Vol III".
Oxford:
Pergamon Press,
1970.
Lawas.