Gaya APA

HARYATI, S. et al (2018). INVESTIGATING the english needs of occupational safety and health students at tertiery education level: . Surakarta: Universitas Sebelas Maret.

Gaya MLA

HARYATI, SRI. et al. "INVESTIGATING the english needs of occupational safety and health students at tertiery education level:". Surakarta: Universitas Sebelas Maret, 2018. Lap. Penelt. Dosen.