Gaya APA
Gillies, A, (. (1988).
Fourth International Mine Ventilation Congress .
Melbourne:
The Australasian Institute of Mining & Metallurgy.
Gaya MLA
Gillies, A.D.S., (ed.).
"Fourth International Mine Ventilation Congress".
Melbourne:
The Australasian Institute of Mining & Metallurgy,
1988.
Text.