APA引文

Johnson, R. (2020). Singular Perturbation Theory. Springer US.

Trích dẫn kiểu Chicago

Johnson, R.S. Singular Perturbation Theory. Springer US, 2020.

MLA引文

Johnson, R.S. Singular Perturbation Theory. Springer US, 2020.

警告：這些引文格式不一定是100％准確.