Gaya APA
Shannon, W., Penman, J. (1969).
Factors Affecting The Dry Crushing Strength of Titanomagnetite Pellets .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Shannon, W.T.., Penman, J..
"Factors Affecting The Dry Crushing Strength of Titanomagnetite Pellets".
Bandung:
Pusat Sumber Daya Geologi,
1969.
Umum.