Central Book Supply, Inc. (2021). Environmental laws in the Philippines (2021 sixth edition.). Central Book Supply Inc.
Chicago-Zitierstil (17. Ausg.)Central Book Supply, Inc. Environmental Laws in the Philippines. 2021 sixth edition. Quezon City: Central Book Supply Inc, 2021.
MLA-Zitierstil (9. Ausg.)Central Book Supply, Inc. Environmental Laws in the Philippines. 2021 sixth edition. Central Book Supply Inc, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.