Gaya APA
Isaacson, E, D, S, Q.
(1958).
Rock Pressure In Mines
(
1)
.
London, England:
Mining Publications, LTD.
Gaya MLA
Isaacson, E., De, ST., Q..
"Rock Pressure In Mines".
1
London, England:
Mining Publications, LTD,
1958.
Text.