APA-ийн эшлэл(7 дахь хэвлэлт)

National Science Foundation - office of Special studies. (1958). Research and Development and its Impact on the Economy A Selected Bibliography. National Science Foundation - office of Special studies.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

National Science Foundation - office of Special studies. Research and Development and Its Impact on the Economy A Selected Bibliography. Washington: National Science Foundation - office of Special studies, 1958.

MLA -ийн эшлэл (9 дэх хэвлэлт)

National Science Foundation - office of Special studies. Research and Development and Its Impact on the Economy A Selected Bibliography. National Science Foundation - office of Special studies, 1958.

Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.