Cita APA (7th ed.)

Nachtigall, D. (1985). Energy: A course at the Institute for Science and Mathematics Education Development, University of the Philippines. Institute for Science and Mathematics Education Development.

Cita Chicago (17th ed.)

Nachtigall, Dieter. Energy: A Course at the Institute for Science and Mathematics Education Development, University of the Philippines. Quezon City: Institute for Science and Mathematics Education Development, 1985.

Cita MLA (9th ed.)

Nachtigall, Dieter. Energy: A Course at the Institute for Science and Mathematics Education Development, University of the Philippines. Institute for Science and Mathematics Education Development, 1985.