Gaya APA

Suman, G, O., Ellis, R, C. (1977). World Oil's Cementing Handbook : Including Casing Handling Procedures (FotoCopi) . Houston: Gulf Publishing Company.

Gaya MLA

Suman, George, O., Ellis, Richard, C.. "World Oil's Cementing Handbook : Including Casing Handling Procedures (FotoCopi)". Houston: Gulf Publishing Company, 1977. Buku TP.