HELANDER, D. P. (1983). Fundamentals of formation evaluation - Donald P. Helander. o.g.c.i Publications.
Chicago Style (17th ed.) CitationHELANDER, Donald P. Fundamentals of Formation Evaluation - Donald P. Helander. o.g.c.i Publications, 1983.
MLA (8th ed.) CitationHELANDER, Donald P. Fundamentals of Formation Evaluation - Donald P. Helander. o.g.c.i Publications, 1983.
Warning: These citations may not always be 100% accurate.