Darling Downs Institute of Advanced Education. School of Engineering. (1987). Spherical trigonometry & astronomy: Study book 1. The Institute, Dept. of External & Continuing Education.
Chicago Style (17th ed.) CitationDarling Downs Institute of Advanced Education. School of Engineering. Spherical Trigonometry & Astronomy: Study Book 1. [Toowoomba]: The Institute, Dept. of External & Continuing Education, 1987.
MLA (9th ed.) CitationDarling Downs Institute of Advanced Education. School of Engineering. Spherical Trigonometry & Astronomy: Study Book 1. The Institute, Dept. of External & Continuing Education, 1987.
Warning: These citations may not always be 100% accurate.