Gaya APA
AI-Youbi, A, O. et al (2021).
The Leading World (1st ed. 2021).
:
Springer International Publishing.
Gaya MLA
AI-Youbi, Abdulrahman, Obaid. et al.
"The Leading World".
1st ed. 2021
:
Springer International Publishing,
2021.
Electronic Resource.