APA

Waisley S. L., United States of America. Department of Energy, INGEPET '99 I. S. (. . 1. O. 2. . L. P. & United States of America. Department of Energy.The untold story. : .

Chicago

Waisley Sandra L, United States of America. Department of Energy, INGEPET '99 International Seminar (3° 1999 Oct 26-29 Lima Perú) and United States of America. Department of Energy.The untold story. : .

Harvard

Waisley S. L., United States of America. Department of Energy, INGEPET '99 I. S. (. . 1. O. 2. . L. P. and United States of America. Department of Energy.The untold story. : .

MLA

Waisley Sandra L, United States of America. Department of Energy, INGEPET '99 International Seminar (3° 1999 Oct 26-29 Lima Perú) and United States of America. Department of Energy.: . .