APA (7th ed.) Citation

Wirodihardjo, S. (1959). Masalah usahawaan nasional. PT Djakarta Press.

Chicago Style (17th ed.) Citation

Wirodihardjo, Saroso. Masalah Usahawaan Nasional. PT Djakarta Press, 1959.

MLA (8th ed.) Citation

Wirodihardjo, Saroso. Masalah Usahawaan Nasional. PT Djakarta Press, 1959.

Warning: These citations may not always be 100% accurate.