Basiao, S. S., Nadurata, E. B., & Dela Peña, F. T. (1969). Production of elemental sulfur from surface ores. College of Engineering.
Chicago Style (17. basım) AtıfBasiao, Samuel S., Edgardo B. Nadurata, ve Fortunato T. Dela Peña. Production of Elemental Sulfur from Surface Ores. Quezon City: College of Engineering, 1969.
MLA (9th ed.) AtıfBasiao, Samuel S., et al. Production of Elemental Sulfur from Surface Ores. College of Engineering, 1969.
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