APA-ийн эшлэл(7 дахь хэвлэлт)
(1961). Technical occupations in research design and development: Considered as directly supporting to engineers and physical scientists. U.S. Department of Labor.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Technical Occupations in Research Design and Development: Considered as Directly Supporting to Engineers and Physical Scientists. Washington: U.S. Department of Labor, 1961.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Technical Occupations in Research Design and Development: Considered as Directly Supporting to Engineers and Physical Scientists. U.S. Department of Labor, 1961.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.