(1999). Mga pumasa sa exam: Metallurgical, mining engineer at geologist. Kabayan.
Cita Chicago (17th ed.)"Mga Pumasa Sa Exam: Metallurgical, Mining Engineer at Geologist." Kabayan 1999.
Cita MLA (9th ed.)"Mga Pumasa Sa Exam: Metallurgical, Mining Engineer at Geologist." Kabayan, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.