APA Style
Spellman, frank R.. (1996).
Safe work practices for wastewater treatment plants .
Basel:
Technomic publishing.
Chicago Style
Spellman, frank R..
Safe work practices for wastewater treatment plants.
Basel:
Technomic publishing,
1996.
Buku Teks.
MLA Style
Spellman, frank R..
Safe work practices for wastewater treatment plants.
Basel:
Technomic publishing,
1996.
Buku Teks.
Turabian Style
Spellman, frank R..
Safe work practices for wastewater treatment plants.
Basel:
Technomic publishing,
1996.
Buku Teks.