Gaya APA
Mackenna, R., Cohen, E, L.
(1970).
Dermatology
(
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.
London:
Bailliere & Cassell.
Gaya MLA
Mackenna, R.M.B.., Cohen, E., Lipman.
"Dermatology".
Ed. 2
London:
Bailliere & Cassell,
1970.
Text.