Gaya APA
Church, R, P, L, A, J, A. (1967).
Mining engineers hand book, vol. II/ foto copy (ed. 3).
New Delhi:
Society Of Mining Engineers.
Gaya MLA
Church, Robert, Pee, Le, And, John, A..
"Mining engineers hand book, vol. II/ foto copy".
ed. 3
New Delhi:
Society Of Mining Engineers,
1967.
Text.